cc: Make scheduling be driven by vsync for android webview.

android_webview/native/aw_contents.h

 // Copyright (c) 2012 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 ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_
 
 #include <jni.h>
 #include <list>
 #include <string>
 #include <utility>
 
 #include "android_webview/browser/aw_browser_permission_request_delegate.h"
 #include "android_webview/browser/browser_view_renderer.h"
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "android_webview/browser/find_helper.h"
 #include "android_webview/browser/gl_view_renderer_manager.h"
 #include "android_webview/browser/icon_helper.h"
 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
 #include "android_webview/native/permission/permission_request_handler_client.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
+#include "ui/base/android/window_android_observer.h"
 
 class SkBitmap;
 class TabContents;
 struct AwDrawGLInfo;
 
 namespace content {
 class WebContents;
 }
 
 namespace android_webview {
@@ skipping 16 matching lines @@
 // hosts a popup will be rebound to a second native instance (carrying the
 // popup content) and discard the 'default' native instance it made on
 // construction. A native instance is only bound to at most one Java peer over
 // its entire lifetime - see Init() and SetPendingWebContentsForPopup() for the
 // construction points, and SetJavaPeers() where these paths join.
 class AwContents : public FindHelper::Listener,
                    public IconHelper::Listener,
                    public AwRenderViewHostExtClient,
                    public BrowserViewRendererClient,
                    public PermissionRequestHandlerClient,
-                   public AwBrowserPermissionRequestDelegate {
+                   public AwBrowserPermissionRequestDelegate,
+                   public WindowAndroidObserver {
  public:
   // Returns the AwContents instance associated with |web_contents|, or NULL.
   static AwContents* FromWebContents(content::WebContents* web_contents);
 
   // Returns the AwContents instance associated with with the given
   // render_process_id and render_view_id, or NULL.
   static AwContents* FromID(int render_process_id, int render_view_id);
 
   AwContents(scoped_ptr<content::WebContents> web_contents);
   virtual ~AwContents();
@@ skipping 124 matching lines @@
   virtual void OnNewPicture() override;
   virtual gfx::Point GetLocationOnScreen() override;
   virtual void ScrollContainerViewTo(gfx::Vector2d new_value) override;
   virtual bool IsFlingActive() const override;
   virtual void UpdateScrollState(gfx::Vector2d max_scroll_offset,
                                  gfx::SizeF contents_size_dip,
                                  float page_scale_factor,
                                  float min_page_scale_factor,
                                  float max_page_scale_factor) override;
   virtual void DidOverscroll(gfx::Vector2d overscroll_delta) override;
+  virtual void RequestVSyncUpdate() override;
 
   const BrowserViewRenderer* GetBrowserViewRenderer() const;
 
+  // WindowAndroidObserver implementation.
+  virtual void OnCompositingDidCommit() override {}
+  virtual void OnAttachCompositor() override {}
+  virtual void OnDetachCompositor() override {}
+  virtual void OnVSync(base::TimeTicks frame_time,
+      base::TimeDelta vsync_period) override;
+
   void ClearCache(JNIEnv* env, jobject obj, jboolean include_disk_files);
   void SetPendingWebContentsForPopup(scoped_ptr<content::WebContents> pending);
   jlong ReleasePopupAwContents(JNIEnv* env, jobject obj);
 
   void ScrollTo(JNIEnv* env, jobject obj, jint x, jint y);
   void SetDipScale(JNIEnv* env, jobject obj, jfloat dip_scale);
   void SetSaveFormData(bool enabled);
 
   // Sets the java client
   void SetAwAutofillClient(jobject client);
@@ skipping 36 matching lines @@
   GLViewRendererManager::Key renderer_manager_key_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContents);
 };
 
 bool RegisterAwContents(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_CONTENTS_H_