Added MockPresentationClient to use in layout tests.

Blink change with the test follows: https://codereview.chromium.org/906673002/

BUG=412331

Review URL: https://codereview.chromium.org/905823004

Cr-Commit-Position: refs/heads/master@{#315204}

content/content_shell.gypi

@@ -229,6 +229,8 @@
         'shell/renderer/test_runner/mock_credential_manager_client.h',
         'shell/renderer/test_runner/mock_grammar_check.cc',
         'shell/renderer/test_runner/mock_grammar_check.h',
+        'shell/renderer/test_runner/mock_presentation_client.cc',
+        'shell/renderer/test_runner/mock_presentation_client.h',
         'shell/renderer/test_runner/mock_screen_orientation_client.cc',
         'shell/renderer/test_runner/mock_screen_orientation_client.h',
         'shell/renderer/test_runner/mock_spell_check.cc',

content/shell/BUILD.gn

@@ -172,6 +172,8 @@ static_library("content_shell_lib") {
     "renderer/test_runner/mock_credential_manager_client.h",
     "renderer/test_runner/mock_grammar_check.cc",
     "renderer/test_runner/mock_grammar_check.h",
+    "renderer/test_runner/mock_presentation_client.cc",
+    "renderer/test_runner/mock_presentation_client.h",
     "renderer/test_runner/mock_screen_orientation_client.cc",
     "renderer/test_runner/mock_screen_orientation_client.h",
     "renderer/test_runner/mock_spell_check.cc",

content/shell/renderer/layout_test/webkit_test_runner.cc

@@ -35,6 +35,7 @@
 #include "content/shell/renderer/layout_test/gc_controller.h"
 #include "content/shell/renderer/layout_test/layout_test_render_process_observer.h"
 #include "content/shell/renderer/layout_test/leak_detector.h"
+#include "content/shell/renderer/test_runner/mock_presentation_client.h"
 #include "content/shell/renderer/test_runner/mock_screen_orientation_client.h"
 #include "content/shell/renderer/test_runner/web_task.h"
 #include "content/shell/renderer/test_runner/web_test_interfaces.h"
@@ -248,6 +249,11 @@ void WebKitTestRunner::DidChangeBatteryStatus(
   MockBatteryStatusChanged(status);
 }
 
+void WebKitTestRunner::SetScreenAvailability(bool available) {
+  MockPresentationClient* mock_client = proxy()->GetPresentationClientMock();
+  mock_client->SetScreenAvailability(available);
+}
+
 void WebKitTestRunner::PrintMessage(const std::string& message) {
   Send(new ShellViewHostMsg_PrintMessage(routing_id(), message));
 }

content/shell/renderer/layout_test/webkit_test_runner.h

@@ -64,6 +64,7 @@ class WebKitTestRunner : public RenderViewObserver,
       const blink::WebScreenOrientationType& orientation) override;
   void ResetScreenOrientation() override;
   void DidChangeBatteryStatus(const blink::WebBatteryStatus& status) override;
+  void SetScreenAvailability(bool available) override;
   void PrintMessage(const std::string& message) override;
   void PostTask(WebTask* task) override;
   void PostDelayedTask(WebTask* task, long long ms) override;

content/shell/renderer/test_runner/mock_presentation_client.cc

+// Copyright 2015 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.
+
+#include "content/shell/renderer/test_runner/mock_presentation_client.h"
+
+#include "base/logging.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationController.h"
+
+namespace content {
+
+MockPresentationClient::MockPresentationClient()
+    : controller_(nullptr),
+      screen_availability_(false) {
+}
+
+MockPresentationClient::~MockPresentationClient() {
+}
+
+void MockPresentationClient::SetScreenAvailability(bool available) {
+  if (screen_availability_ == available)
+    return;
+  screen_availability_ = available;
+
+  if (!controller_)
+    return;
+  if (!controller_->isAvailableChangeWatched())
+    return;
+  controller_->didChangeAvailability(screen_availability_);
+}
+
+void MockPresentationClient::setController(
+    blink::WebPresentationController* controller) {
+  DCHECK(controller_ != controller && (!controller || !controller_));
+  controller_ = controller;
+  if (controller_)
+    updateAvailableChangeWatched(controller_->isAvailableChangeWatched());
+}
+
+void MockPresentationClient::updateAvailableChangeWatched(bool watched) {
+  if (!watched)
+    return;
+  DCHECK(controller_);
+  if (screen_availability_)
+    controller_->didChangeAvailability(screen_availability_);
+}
+
+}  // namespace content

content/shell/renderer/test_runner/mock_presentation_client.h

+// Copyright 2015 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 CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_CLIENT_H_
+#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_CLIENT_H_
+
+#include "base/macros.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationClient.h"
+
+namespace content {
+
+// A mock implementation of WebPresentationClient to be used in tests with
+// content shell.
+class MockPresentationClient : public blink::WebPresentationClient {
+ public:
+  explicit MockPresentationClient();
+  virtual ~MockPresentationClient();
+
+  void SetScreenAvailability(bool available);
+
+ private:
+  // From blink::WebPresentationClient.
+  // Passes the Blink-side delegate to the embedder.
+  virtual void setController(blink::WebPresentationController*);
+
+  // Called when the frame attaches the first event listener to or removes the
+  // last event listener from the |availablechange| event.
+  virtual void updateAvailableChangeWatched(bool watched);
+
+  blink::WebPresentationController* controller_;
+  bool screen_availability_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockPresentationClient);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_PRESENTATION_CLIENT_H_

content/shell/renderer/test_runner/test_runner.cc

@@ -204,6 +204,7 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
                               double dischargingTime,
                               double level);
   void ResetBatteryStatus();
+  void SetMockScreenAvailability(bool available);
   void DidAcquirePointerLock();
   void DidNotAcquirePointerLock();
   void DidLosePointerLock();
@@ -410,6 +411,8 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
       .SetMethod("didChangeBatteryStatus",
                  &TestRunnerBindings::DidChangeBatteryStatus)
       .SetMethod("resetBatteryStatus", &TestRunnerBindings::ResetBatteryStatus)
+      .SetMethod("setMockScreenAvailability",
+                 &TestRunnerBindings::SetMockScreenAvailability)
       .SetMethod("didAcquirePointerLock",
                  &TestRunnerBindings::DidAcquirePointerLock)
       .SetMethod("didNotAcquirePointerLock",
@@ -964,6 +967,11 @@ void TestRunnerBindings::ResetBatteryStatus() {
     runner_->ResetBatteryStatus();
 }
 
+void TestRunnerBindings::SetMockScreenAvailability(bool available) {
+  if (runner_)
+    runner_->SetMockScreenAvailability(available);
+}
+
 void TestRunnerBindings::DidAcquirePointerLock() {
   if (runner_)
     runner_->DidAcquirePointerLock();
@@ -2447,6 +2455,10 @@ void TestRunner::ResetBatteryStatus() {
   delegate_->DidChangeBatteryStatus(status);
 }
 
+void TestRunner::SetMockScreenAvailability(bool available) {
+  delegate_->SetScreenAvailability(available);
+}
+
 void TestRunner::DidAcquirePointerLock() {
   DidAcquirePointerLockInternal();
 }

content/shell/renderer/test_runner/test_runner.h

@@ -309,6 +309,9 @@ class TestRunner : public WebTestRunner,
                               double level);
   void ResetBatteryStatus();
 
+  // Presentation API related functions.
+  void SetMockScreenAvailability(bool available);
+
   void DidAcquirePointerLock();
   void DidNotAcquirePointerLock();
   void DidLosePointerLock();

content/shell/renderer/test_runner/web_frame_test_proxy.h

@@ -6,6 +6,7 @@
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEB_FRAME_TEST_PROXY_H_
 
 #include "base/basictypes.h"
+#include "content/shell/renderer/test_runner/mock_presentation_client.h"
 #include "content/shell/renderer/test_runner/mock_screen_orientation_client.h"
 #include "content/shell/renderer/test_runner/test_interfaces.h"
 #include "content/shell/renderer/test_runner/test_runner.h"
@@ -40,6 +41,10 @@ class WebFrameTestProxy : public Base {
     return base_proxy_->GetScreenOrientationClientMock();
   }
 
+  virtual blink::WebPresentationClient* presentationClient() {
+    return base_proxy_->GetPresentationClientMock();
+  }
+
   virtual void didAddMessageToConsole(const blink::WebConsoleMessage& message,
                                       const blink::WebString& source_name,
                                       unsigned source_line,

content/shell/renderer/test_runner/web_test_delegate.h

@@ -70,6 +70,9 @@ class WebTestDelegate {
   virtual void DidChangeBatteryStatus(
       const blink::WebBatteryStatus& status) = 0;
 
+  // Sets second screen availability for the Presentation API.
+  virtual void SetScreenAvailability(bool available) = 0;
+
   // Add a message to the text dump for the layout test.
   virtual void PrintMessage(const std::string& message) = 0;
 

content/shell/renderer/test_runner/web_test_proxy.cc

@@ -18,6 +18,7 @@
 #include "content/shell/renderer/test_runner/event_sender.h"
 #include "content/shell/renderer/test_runner/mock_color_chooser.h"
 #include "content/shell/renderer/test_runner/mock_credential_manager_client.h"
+#include "content/shell/renderer/test_runner/mock_presentation_client.h"
 #include "content/shell/renderer/test_runner/mock_screen_orientation_client.h"
 #include "content/shell/renderer/test_runner/mock_web_speech_recognizer.h"
 #include "content/shell/renderer/test_runner/mock_web_user_media_client.h"
@@ -652,6 +653,12 @@ WebTestProxyBase::GetCredentialManagerClientMock() {
   return credential_manager_client_.get();
 }
 
+MockPresentationClient* WebTestProxyBase::GetPresentationClientMock() {
+  if (!presentation_client_.get())
+    presentation_client_.reset(new MockPresentationClient());
+  return presentation_client_.get();
+}
+
 void WebTestProxyBase::ScheduleAnimation() {
   if (!test_interfaces_->GetTestRunner()->TestIsRunning())
     return;

content/shell/renderer/test_runner/web_test_proxy.h

@@ -76,6 +76,7 @@ typedef unsigned WebColor;
 namespace content {
 
 class MockCredentialManagerClient;
+class MockPresentationClient;
 class MockScreenOrientationClient;
 class MockWebSpeechRecognizer;
 class MockWebUserMediaClient;
@@ -131,6 +132,7 @@ class WebTestProxyBase {
   blink::WebMIDIClientMock* GetMIDIClientMock();
   MockWebSpeechRecognizer* GetSpeechRecognizerMock();
   MockCredentialManagerClient* GetCredentialManagerClientMock();
+  MockPresentationClient* GetPresentationClientMock();
 
   WebTaskList* mutable_task_list() { return &task_list_; }
 
@@ -267,6 +269,7 @@ class WebTestProxyBase {
   scoped_ptr<blink::WebMIDIClientMock> midi_client_;
   scoped_ptr<MockWebSpeechRecognizer> speech_recognizer_;
   scoped_ptr<MockScreenOrientationClient> screen_orientation_client_;
+  scoped_ptr<MockPresentationClient> presentation_client_;
 
   std::string accept_languages_;