Changed previews component to be a layered component.

This will make it easier to add a content/ directory to the previews
component later.

BUG=

Review-Url: https://codereview.chromium.org/2333003002
Cr-Commit-Position: refs/heads/master@{#419310}

chrome/browser/BUILD.gn

@@ -1339,7 +1339,7 @@ split_static_library("browser") {
     "//components/policy:generated",
     "//components/policy/core/browser",
     "//components/policy/proto",
-    "//components/previews",
+    "//components/previews/core",
     "//components/profile_metrics",
     "//components/proxy_config",
     "//components/proxy_config",

chrome/browser/android/offline_pages/offline_page_request_job.cc

@@ -20,7 +20,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "components/offline_pages/offline_page_model.h"
-#include "components/previews/previews_experiments.h"
+#include "components/previews/core/previews_experiments.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"

chrome/browser/android/offline_pages/offline_page_request_job_unittest.cc

@@ -26,7 +26,7 @@
 #include "chrome/test/base/testing_profile_manager.h"
 #include "components/offline_pages/client_namespace_constants.h"
 #include "components/offline_pages/offline_page_model_impl.h"
-#include "components/previews/previews_experiments.h"
+#include "components/previews/core/previews_experiments.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_request_info.h"

chrome/browser/android/offline_pages/offline_page_tab_helper_unittest.cc

@@ -32,7 +32,7 @@
 #include "components/offline_pages/offline_page_model.h"
 #include "components/offline_pages/offline_page_test_archiver.h"
 #include "components/offline_pages/offline_page_types.h"
-#include "components/previews/previews_experiments.h"
+#include "components/previews/core/previews_experiments.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "net/base/net_errors.h"

chrome/browser/previews/previews_service.cc

@@ -4,7 +4,7 @@
 
 #include "chrome/browser/previews/previews_service.h"
 
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_ui_service.h"
 #include "content/public/browser/browser_thread.h"
 
 PreviewsService::PreviewsService() {

chrome/browser/profiles/profile_impl_io_data.cc

@@ -51,8 +51,8 @@
 #include "components/prefs/pref_filter.h"
 #include "components/prefs/pref_member.h"
 #include "components/prefs/pref_service.h"
-#include "components/previews/previews_io_data.h"
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_io_data.h"
+#include "components/previews/core/previews_ui_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/browser/notification_service.h"

chrome/browser/profiles/profile_io_data.cc

@@ -74,7 +74,7 @@
 #include "components/policy/core/common/cloud/policy_header_service.h"
 #include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
 #include "components/prefs/pref_service.h"
-#include "components/previews/previews_io_data.h"
+#include "components/previews/core/previews_io_data.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "components/sync/driver/pref_names.h"
 #include "components/url_formatter/url_fixer.h"

components/BUILD.gn

@@ -112,7 +112,7 @@ test("components_unittests") {
     "//components/password_manager/sync/browser:unit_tests",
     "//components/precache/core:unit_tests",
     "//components/prefs:unit_tests",
-    "//components/previews:unit_tests",
+    "//components/previews/core:unit_tests",
     "//components/proxy_config:unit_tests",
     "//components/query_parser:unit_tests",
     "//components/rappor:unit_tests",

components/previews/BUILD.gn → components/previews/core/BUILD.gn

@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-static_library("previews") {
+static_library("core") {
   sources = [
     "previews_data_savings.cc",
     "previews_data_savings.h",
@@ -31,7 +31,7 @@ source_set("unit_tests") {
   ]
 
   deps = [
-    ":previews",
+    ":core",
     "//base",
     "//base/test:test_support",
     "//components/data_reduction_proxy/core/common",

components/previews/previews_data_savings.cc → components/previews/core/previews_data_savings.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_data_savings.h"
+#include "components/previews/core/previews_data_savings.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"

components/previews/previews_data_savings.h → components/previews/core/previews_data_savings.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_PREVIEWS_PREVIEWS_DATA_SAVINGS_H_
-#define CHROME_BROWSER_PREVIEWS_PREVIEWS_DATA_SAVINGS_H_
+#ifndef COMPONENTS_PREVIEWS_CORE_PREVIEWS_DATA_SAVINGS_H_
+#define COMPONENTS_PREVIEWS_CORE_PREVIEWS_DATA_SAVINGS_H_
 
 #include <stdint.h>
 
@@ -48,4 +48,4 @@ class PreviewsDataSavings {
 
 }  // namespace previews
 
-#endif  // CHROME_BROWSER_PREVIEWS_PREVIEWS_DATA_SAVINGS_H_
+#endif  // COMPONENTS_PREVIEWS_CORE_PREVIEWS_DATA_SAVINGS_H_

components/previews/previews_data_savings_unittest.cc → components/previews/core/previews_data_savings_unittest.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_data_savings.h"
+#include "components/previews/core/previews_data_savings.h"
 
 #include <stdint.h>
 

components/previews/previews_experiments.cc → components/previews/core/previews_experiments.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_experiments.h"
+#include "components/previews/core/previews_experiments.h"
 
 #include <map>
 #include <string>

components/previews/previews_experiments.h → components/previews/core/previews_experiments.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_PREVIEWS_PREVIEWS_EXPERIMENTS_H_
-#define COMPONENTS_PREVIEWS_PREVIEWS_EXPERIMENTS_H_
+#ifndef COMPONENTS_PREVIEWS_CORE_PREVIEWS_EXPERIMENTS_H_
+#define COMPONENTS_PREVIEWS_CORE_PREVIEWS_EXPERIMENTS_H_
 
 namespace previews {
 
@@ -20,4 +20,4 @@ bool EnableOfflinePreviewsForTesting();
 
 }  // namespace previews
 
-#endif  // COMPONENTS_PREVIEWS_PREVIEWS_EXPERIMENTS_H_
+#endif  // COMPONENTS_PREVIEWS_CORE_PREVIEWS_EXPERIMENTS_H_

components/previews/previews_experiments_unittest.cc → components/previews/core/previews_experiments_unittest.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_experiments.h"
+#include "components/previews/core/previews_experiments.h"
 
 #include "base/metrics/field_trial.h"
 #include "testing/gtest/include/gtest/gtest.h"

components/previews/previews_io_data.cc → components/previews/core/previews_io_data.cc

@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_io_data.h"
+#include "components/previews/core/previews_io_data.h"
 
 #include "base/bind.h"
 #include "base/location.h"
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_ui_service.h"
 
 namespace previews {
 

components/previews/previews_io_data.h → components/previews/core/previews_io_data.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_PREVIEWS_PREVIEWS_IO_DATA_H_
-#define COMPONENTS_PREVIEWS_PREVIEWS_IO_DATA_H_
+#ifndef COMPONENTS_PREVIEWS_CORE_PREVIEWS_IO_DATA_H_
+#define COMPONENTS_PREVIEWS_CORE_PREVIEWS_IO_DATA_H_
 
 #include <string>
 
@@ -53,4 +53,4 @@ class PreviewsIOData {
 
 }  // namespace previews
 
-#endif  // COMPONENTS_PREVIEWS_PREVIEWS_IO_DATA_H_
+#endif  // COMPONENTS_PREVIEWS_CORE_PREVIEWS_IO_DATA_H_

components/previews/previews_io_data_unittest.cc → components/previews/core/previews_io_data_unittest.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_io_data.h"
+#include "components/previews/core/previews_io_data.h"
 
 #include <memory>
 
@@ -11,7 +11,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_ui_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace previews {

components/previews/previews_ui_service.cc → components/previews/core/previews_ui_service.cc

@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_ui_service.h"
 
-#include "components/previews/previews_io_data.h"
+#include "components/previews/core/previews_io_data.h"
 
 namespace previews {
 

components/previews/previews_ui_service.h → components/previews/core/previews_ui_service.h

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_PREVIEWS_PREVIEWS_UI_SERVICE_H_
-#define COMPONENTS_PREVIEWS_PREVIEWS_UI_SERVICE_H_
+#ifndef COMPONENTS_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_
+#define COMPONENTS_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_
 
 #include <string>
 
@@ -45,4 +45,4 @@ class PreviewsUIService {
 
 }  // namespace previews
 
-#endif  // COMPONENTS_PREVIEWS_PREVIEWS_UI_SERVICE_H_
+#endif  // COMPONENTS_PREVIEWS_CORE_PREVIEWS_UI_SERVICE_H_

components/previews/previews_ui_service_unittest.cc → components/previews/core/previews_ui_service_unittest.cc

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/previews/previews_ui_service.h"
+#include "components/previews/core/previews_ui_service.h"
 
 #include <memory>
 
@@ -11,7 +11,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
-#include "components/previews/previews_io_data.h"
+#include "components/previews/core/previews_io_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace previews {