Adding compositor callbacks to RenderWidgetHostViewAndroid

content/browser/android/content_view_render_view.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 CONTENT_BROWSER_ANDROID_CONTENT_VIEW_RENDER_VIEW_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_RENDER_VIEW_H_
 
 #include "base/android/jni_helper.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/android/compositor_client.h"
 
 namespace content {
 class Compositor;
 
 class ContentViewRenderView : public CompositorClient {
  public:
   // Registers the JNI methods for ContentViewRender.
   static bool RegisterContentViewRenderView(JNIEnv* env);
 
   ContentViewRenderView(JNIEnv* env, jobject obj);
 
   // Methods called from Java via JNI -----------------------------------------
   void Destroy(JNIEnv* env, jobject obj);
   void SetCurrentContentView(JNIEnv* env, jobject obj, int native_content_view);
+  void RemovePreviousContentView(JNIEnv* env,
+                                 jobject obj,
+                                 int native_content_view);
   void SurfaceCreated(JNIEnv* env, jobject obj, jobject jsurface);
   void SurfaceDestroyed(JNIEnv* env, jobject obj);
   void SurfaceSetSize(JNIEnv* env, jobject obj, jint width, jint height);
   jboolean Composite(JNIEnv* env, jobject obj);
 
   // CompositorClient ---------------------------------------------------------
   virtual void ScheduleComposite() OVERRIDE;
   virtual void OnSwapBuffersPosted() OVERRIDE;
   virtual void OnSwapBuffersCompleted() OVERRIDE;
 
  private:
   virtual ~ContentViewRenderView();
 
   void InitCompositor();
 
   bool buffers_swapped_during_composite_;
 
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
 
   scoped_ptr<content::Compositor> compositor_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewRenderView);
 };
 
 
 
 }
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_RENDER_VIEW_H_