Reland "[ozone/wayland] Refactor IME deps for ozone platform"

This is a reland of 40a87fcf

The patch was reverted due to fail in windows 'compile confirm no-op'.
Compile failed because of empty linux specific gn component which
resulted after applying sources_assignment_filters on windows builds.
Relanding patch now by refactoring ime_linux gn component.

Original change's description:
> [ozone/wayland] Refactor IME deps for ozone platform
>
> Refactor base/ime components and dependencies for ozone
> plaform integration to avoid cyclic dependencies.
>
> - Groups ui/base/ime common types into their own GN component
>   (ime_types) to break a dependency cycle that ozone ime context
>   integration would cause on ChromeOS.
> - Groups some of ui/base/ime/linux interfaces into their own GN
>   component (ime_linux) to break a dependency cycle that ozone
>   ime context integration would cause on ChromeOS.
> - Move chromeos source files under is_chromeos flag to avoid
>   depending them when chromeos is not used, but ime is needed
>   (kudos to msisov@igalia.com).
>
> Bug: 791920
> Change-Id: I0b1668564dde22c6e2b05ee1323ebbe4a1343475
> Reviewed-on: https://chromium-review.googlesource.com/1193871
> Commit-Queue: Jani Hautakangas <jani.hautakangas@lge.com>
> Reviewed-by: Shu Chen <shuchen@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#590072}

Bug: 791920
Change-Id: I16de600ac66eb53e4e925bc8b8ab292f89a787dc
Reviewed-on: https://chromium-review.googlesource.com/1224370Reviewed-by: Shu Chen <shuchen@chromium.org>
Commit-Queue: Jani Hautakangas <jani.hautakangas@lge.com>
Cr-Commit-Position: refs/heads/master@{#591292}

ui/base/ime/BUILD.gn

@@ -16,51 +16,40 @@ source_set("text_input_types") {
   ]
 }
 
-jumbo_component("ime") {
-  output_name = "ui_base_ime"
+jumbo_component("ime_types") {
+  output_name = "ui_base_ime_types"
   sources = [
     "candidate_window.cc",
     "candidate_window.h",
-    "chromeos/character_composer.cc",
-    "chromeos/character_composer.h",
-    "chromeos/component_extension_ime_manager.cc",
-    "chromeos/component_extension_ime_manager.h",
-    "chromeos/extension_ime_util.cc",
-    "chromeos/extension_ime_util.h",
-    "chromeos/fake_ime_keyboard.cc",
-    "chromeos/fake_ime_keyboard.h",
-    "chromeos/fake_input_method_delegate.cc",
-    "chromeos/fake_input_method_delegate.h",
-    "chromeos/ime_candidate_window_handler_interface.h",
-    "chromeos/ime_keyboard.cc",
-    "chromeos/ime_keyboard.h",
-    "chromeos/ime_keymap.cc",
-    "chromeos/ime_keymap.h",
-    "chromeos/input_method_delegate.h",
-    "chromeos/input_method_descriptor.cc",
-    "chromeos/input_method_descriptor.h",
-    "chromeos/input_method_manager.cc",
-    "chromeos/input_method_manager.h",
-    "chromeos/input_method_util.cc",
-    "chromeos/input_method_util.h",
-    "chromeos/mock_component_extension_ime_manager.cc",
-    "chromeos/mock_component_extension_ime_manager.h",
-    "chromeos/mock_component_extension_ime_manager_delegate.cc",
-    "chromeos/mock_component_extension_ime_manager_delegate.h",
-    "chromeos/mock_ime_candidate_window_handler.cc",
-    "chromeos/mock_ime_candidate_window_handler.h",
-    "chromeos/mock_ime_engine_handler.cc",
-    "chromeos/mock_ime_engine_handler.h",
     "composition_text.cc",
     "composition_text.h",
-    "ime_bridge.cc",
-    "ime_bridge.h",
-    "ime_engine_handler_interface.h",
-    "ime_input_context_handler_interface.h",
     "ime_text_span.cc",
     "ime_text_span.h",
     "infolist_entry.cc",
     "infolist_entry.h",
+    "ui_base_ime_types_export.h",
+  ]
+
+  defines = [ "UI_BASE_IME_TYPES_IMPLEMENTATION" ]
+
+  deps = [
+    "//base",
+    "//ui/gfx/range",
+  ]
+
+  public_deps = [
+    ":text_input_types",
+    "//skia",
+  ]
+}
+
+jumbo_component("ime") {
+  output_name = "ui_base_ime"
+  sources = [
+    "ime_bridge.cc",
+    "ime_bridge.h",
+    "ime_engine_handler_interface.h",
+    "ime_input_context_handler_interface.h",
     "input_method.h",
     "input_method_base.cc",
     "input_method_base.h",
@@ -80,13 +69,6 @@ jumbo_component("ime") {
     "input_method_minimal.cc",
     "input_method_minimal.h",
     "input_method_observer.h",
-    "linux/fake_input_method_context.cc",
-    "linux/fake_input_method_context.h",
-    "linux/fake_input_method_context_factory.cc",
-    "linux/fake_input_method_context_factory.h",
-    "linux/linux_input_method_context.h",
-    "linux/linux_input_method_context_factory.cc",
-    "linux/linux_input_method_context_factory.h",
     "mock_ime_input_context_handler.cc",
     "mock_ime_input_context_handler.h",
     "mock_input_method.cc",
@@ -111,6 +93,41 @@ jumbo_component("ime") {
     "win/tsf_text_store.h",
   ]
 
+  if (is_chromeos) {
+    sources += [
+      "chromeos/character_composer.cc",
+      "chromeos/character_composer.h",
+      "chromeos/component_extension_ime_manager.cc",
+      "chromeos/component_extension_ime_manager.h",
+      "chromeos/extension_ime_util.cc",
+      "chromeos/extension_ime_util.h",
+      "chromeos/fake_ime_keyboard.cc",
+      "chromeos/fake_ime_keyboard.h",
+      "chromeos/fake_input_method_delegate.cc",
+      "chromeos/fake_input_method_delegate.h",
+      "chromeos/ime_candidate_window_handler_interface.h",
+      "chromeos/ime_keyboard.cc",
+      "chromeos/ime_keyboard.h",
+      "chromeos/ime_keymap.cc",
+      "chromeos/ime_keymap.h",
+      "chromeos/input_method_delegate.h",
+      "chromeos/input_method_descriptor.cc",
+      "chromeos/input_method_descriptor.h",
+      "chromeos/input_method_manager.cc",
+      "chromeos/input_method_manager.h",
+      "chromeos/input_method_util.cc",
+      "chromeos/input_method_util.h",
+      "chromeos/mock_component_extension_ime_manager.cc",
+      "chromeos/mock_component_extension_ime_manager.h",
+      "chromeos/mock_component_extension_ime_manager_delegate.cc",
+      "chromeos/mock_component_extension_ime_manager_delegate.h",
+      "chromeos/mock_ime_candidate_window_handler.cc",
+      "chromeos/mock_ime_candidate_window_handler.h",
+      "chromeos/mock_ime_engine_handler.cc",
+      "chromeos/mock_ime_engine_handler.h",
+    ]
+  }
+
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
@@ -133,8 +150,7 @@ jumbo_component("ime") {
   ]
 
   public_deps = [
-    ":text_input_types",
-    "//skia",
+    ":ime_types",
   ]
 
   if (is_desktop_linux) {
@@ -144,6 +160,10 @@ jumbo_component("ime") {
     ]
   }
 
+  if (is_linux) {
+    public_deps += [ "//ui/base/ime/linux" ]
+  }
+
   if (!is_chromeos && is_linux) {
     sources += [
       "linux/text_edit_command_auralinux.cc",

ui/base/ime/candidate_window.h

@@ -13,19 +13,19 @@
 
 #include "base/macros.h"
 #include "ui/base/ime/infolist_entry.h"
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ime/ui_base_ime_types_export.h"
 
 namespace ui {
 
 // CandidateWindow represents the structure of candidates generated from IME.
-class UI_BASE_IME_EXPORT CandidateWindow {
+class UI_BASE_IME_TYPES_EXPORT CandidateWindow {
  public:
   enum Orientation {
     HORIZONTAL = 0,
     VERTICAL = 1,
   };
 
-  struct UI_BASE_IME_EXPORT CandidateWindowProperty {
+  struct UI_BASE_IME_TYPES_EXPORT CandidateWindowProperty {
     CandidateWindowProperty();
     virtual ~CandidateWindowProperty();
     int page_size;
@@ -41,7 +41,7 @@ class UI_BASE_IME_EXPORT CandidateWindow {
   };
 
   // Represents a candidate entry.
-  struct UI_BASE_IME_EXPORT Entry {
+  struct UI_BASE_IME_TYPES_EXPORT Entry {
     Entry();
     Entry(const Entry& other);
     virtual ~Entry();

ui/base/ime/composition_text.h

@@ -9,13 +9,13 @@
 
 #include "base/strings/string16.h"
 #include "ui/base/ime/ime_text_span.h"
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ime/ui_base_ime_types_export.h"
 #include "ui/gfx/range/range.h"
 
 namespace ui {
 
 // A struct represents the status of an ongoing composition text.
-struct UI_BASE_IME_EXPORT CompositionText {
+struct UI_BASE_IME_TYPES_EXPORT CompositionText {
   CompositionText();
   CompositionText(const CompositionText& other);
   ~CompositionText();

ui/base/ime/ime_text_span.h

@@ -11,14 +11,14 @@
 #include <vector>
 
 #include "third_party/skia/include/core/SkColor.h"
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ime/ui_base_ime_types_export.h"
 
 namespace ui {
 
 // Intentionally keep sync with blink::WebImeTextSpan defined in:
 // third_party/WebKit/public/web/WebImeTextSpan.h
 
-struct UI_BASE_IME_EXPORT ImeTextSpan {
+struct UI_BASE_IME_TYPES_EXPORT ImeTextSpan {
   enum class Type {
     // Creates a composition marker.
     kComposition,

ui/base/ime/infolist_entry.h

@@ -6,12 +6,12 @@
 #define UI_BASE_IME_INFOLIST_ENTRY_H_
 
 #include "base/strings/string16.h"
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ime/ui_base_ime_types_export.h"
 
 namespace ui {
 
 // The data model of infolist window.
-struct UI_BASE_IME_EXPORT InfolistEntry {
+struct UI_BASE_IME_TYPES_EXPORT InfolistEntry {
   base::string16 title;
   base::string16 body;
   bool highlighted;

ui/base/ime/linux/BUILD.gn

+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/jumbo.gni")
+
+jumbo_component("linux") {
+  output_name = "ui_base_ime_linux"
+  sources = [
+    "fake_input_method_context.cc",
+    "fake_input_method_context.h",
+    "fake_input_method_context_factory.cc",
+    "fake_input_method_context_factory.h",
+    "linux_input_method_context.h",
+    "linux_input_method_context_factory.cc",
+    "linux_input_method_context_factory.h",
+    "ui_base_ime_linux_export.h",
+  ]
+
+  defines = [ "UI_BASE_IME_LINUX_IMPLEMENTATION" ]
+
+  deps = [
+    "//base",
+  ]
+
+  public_deps = [
+    "//ui/base/ime:ime_types",
+  ]
+}

ui/base/ime/linux/fake_input_method_context_factory.h

@@ -12,7 +12,8 @@ namespace ui {
 
 // An implementation of LinuxInputMethodContextFactory, which creates and
 // returns FakeInputMethodContext's.
-class FakeInputMethodContextFactory : public LinuxInputMethodContextFactory {
+class UI_BASE_IME_LINUX_EXPORT FakeInputMethodContextFactory
+    : public LinuxInputMethodContextFactory {
  public:
   FakeInputMethodContextFactory();
 

ui/base/ime/linux/linux_input_method_context.h

@@ -6,8 +6,8 @@
 #define UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_H_
 
 #include "base/strings/string16.h"
+#include "ui/base/ime/linux/ui_base_ime_linux_export.h"
 #include "ui/base/ime/text_input_type.h"
-#include "ui/base/ime/ui_base_ime_export.h"
 
 namespace gfx {
 class Rect;
@@ -20,7 +20,7 @@ class KeyEvent;
 
 // An interface of input method context for input method frameworks on
 // GNU/Linux and likes.
-class UI_BASE_IME_EXPORT LinuxInputMethodContext {
+class UI_BASE_IME_LINUX_EXPORT LinuxInputMethodContext {
  public:
   virtual ~LinuxInputMethodContext() {}
 
@@ -45,7 +45,7 @@ class UI_BASE_IME_EXPORT LinuxInputMethodContext {
 };
 
 // An interface of callback functions called from LinuxInputMethodContext.
-class UI_BASE_IME_EXPORT LinuxInputMethodContextDelegate {
+class UI_BASE_IME_LINUX_EXPORT LinuxInputMethodContextDelegate {
  public:
   virtual ~LinuxInputMethodContextDelegate() {}
 

ui/base/ime/linux/linux_input_method_context_factory.h

@@ -7,7 +7,7 @@
 
 #include <memory>
 
-#include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/base/ime/linux/ui_base_ime_linux_export.h"
 
 namespace ui {
 
@@ -17,7 +17,7 @@ class LinuxInputMethodContextDelegate;
 // An interface that lets different Linux platforms override the
 // CreateInputMethodContext function declared here to return native input method
 // contexts.
-class UI_BASE_IME_EXPORT LinuxInputMethodContextFactory {
+class UI_BASE_IME_LINUX_EXPORT LinuxInputMethodContextFactory {
  public:
   // Returns the current active factory or NULL.
   static const LinuxInputMethodContextFactory* instance();

ui/base/ime/linux/ui_base_ime_linux_export.h

+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_IME_LINUX_UI_BASE_IME_LINUX_EXPORT_H_
+#define UI_BASE_IME_LINUX_UI_BASE_IME_LINUX_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+
+#if defined(WIN32)
+
+#if defined(UI_BASE_IME_LINUX_IMPLEMENTATION)
+#define UI_BASE_IME_LINUX_EXPORT __declspec(dllexport)
+#else
+#define UI_BASE_IME_LINUX_EXPORT __declspec(dllimport)
+#endif
+
+#else  // !defined(WIN32)
+
+#if defined(UI_BASE_IME_LINUX_IMPLEMENTATION)
+#define UI_BASE_IME_LINUX_EXPORT __attribute__((visibility("default")))
+#else
+#define UI_BASE_IME_LINUX_EXPORT
+#endif
+
+#endif
+
+#else  // !defined(COMPONENT_BUILD)
+
+#define UI_BASE_IME_LINUX_EXPORT
+
+#endif
+
+#endif  // UI_BASE_IME_LINUX_UI_BASE_IME_LINUX_EXPORT_H_

ui/base/ime/ui_base_ime_types_export.h

+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_IME_UI_BASE_IME_TYPES_EXPORT_H_
+#define UI_BASE_IME_UI_BASE_IME_TYPES_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+
+#if defined(WIN32)
+
+#if defined(UI_BASE_IME_TYPES_IMPLEMENTATION)
+#define UI_BASE_IME_TYPES_EXPORT __declspec(dllexport)
+#else
+#define UI_BASE_IME_TYPES_EXPORT __declspec(dllimport)
+#endif
+
+#else  // !defined(WIN32)
+
+#if defined(UI_BASE_IME_TYPES_IMPLEMENTATION)
+#define UI_BASE_IME_TYPES_EXPORT __attribute__((visibility("default")))
+#else
+#define UI_BASE_IME_TYPES_EXPORT
+#endif
+
+#endif
+
+#else  // !defined(COMPONENT_BUILD)
+
+#define UI_BASE_IME_TYPES_EXPORT
+
+#endif
+
+#endif  // UI_BASE_IME_UI_BASE_IME_TYPES_EXPORT_H_