Rewire Android WebView's compositor changed signal.

android_webview/browser/render_thread_manager.h

 // Copyright 2014 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_BROWSER_RENDER_THREAD_MANAGER_H_
 #define ANDROID_WEBVIEW_BROWSER_RENDER_THREAD_MANAGER_H_
 
 #include <map>
 
 #include "android_webview/browser/compositor_frame_consumer.h"
 #include "android_webview/browser/gl_view_renderer_manager.h"
 #include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 struct AwDrawGLInfo;
 namespace android_webview {
 
 namespace internal {
 class RequestInvokeGLTracker;
 }
 
 class RenderThreadManagerClient;
+class ChildFrame;
 class CompositorFrameProducer;
-class ChildFrame;
 class HardwareRenderer;
 class InsideHardwareReleaseReset;
+struct CompositorID;
 
 // This class is used to pass data between UI thread and RenderThread.
 class RenderThreadManager : public CompositorFrameConsumer {
  public:
   RenderThreadManager(
       RenderThreadManagerClient* client,
       const scoped_refptr<base::SingleThreadTaskRunner>& ui_loop);
   ~RenderThreadManager() override;
 
   // This function can be called from any thread.
@@ skipping 13 matching lines @@
   bool HasFrameOnUI() const override;
   void DeleteHardwareRendererOnUI() override;
 
   // RT thread methods.
   gfx::Vector2d GetScrollOffsetOnRT();
   std::unique_ptr<ChildFrame> PassFrameOnRT();
   void DrawGL(AwDrawGLInfo* draw_info);
   void PostExternalDrawConstraintsToChildCompositorOnRT(
       const ParentCompositorDrawConstraints& parent_draw_constraints);
   void InsertReturnedResourcesOnRT(const cc::ReturnedResourceArray& resources,
-                                   uint32_t compositor_id,
+                                   const CompositorID& compositor_id,
                                    uint32_t output_surface_id);
 
  private:
   friend class internal::RequestInvokeGLTracker;
   class InsideHardwareReleaseReset {
    public:
     explicit InsideHardwareReleaseReset(
         RenderThreadManager* render_thread_manager);
     ~InsideHardwareReleaseReset();
 
@@ skipping 36 matching lines @@
   base::Closure request_draw_gl_closure_;
 
   base::WeakPtrFactory<RenderThreadManager> weak_factory_on_ui_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadManager);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_RENDER_THREAD_MANAGER_H_