content: Add multi-proc surface texture support.

content/browser/renderer_host/compositor_impl_android.h

Index: content/browser/renderer_host/compositor_impl_android.h
diff --git a/content/browser/renderer_host/compositor_impl_android.h b/content/browser/renderer_host/compositor_impl_android.h
index 5d1eecddfeacab12e14ecf276bb2714ffdf7da92..b8e803ceceb38a1b54d7f46bbd5a637e242dcb37 100644
--- a/content/browser/renderer_host/compositor_impl_android.h
+++ b/content/browser/renderer_host/compositor_impl_android.h
@@ -42,6 +42,8 @@ class CONTENT_EXPORT CompositorImpl
       public ImageTransportFactoryAndroidObserver,
       public ui::WindowAndroidCompositor {
  public:
+  typedef base::Callback<void(int32)> CreateSurfaceTextureCallback;
+
   CompositorImpl(CompositorClient* client, gfx::NativeWindow root_window);
   virtual ~CompositorImpl();
 
@@ -54,9 +56,10 @@ class CONTENT_EXPORT CompositorImpl
   static jobject GetSurfaceTextureSurface(int surface_texture_id,
                                           base::ProcessHandle process_handle);
 
-  // Allocates a surface texture and returns a surface texture id. Returns -1 on
-  // failure.
-  static int AllocateSurfaceTexture(base::ProcessHandle process_handle);
+  // Creates a new surface texture.
+  static void CreateSurfaceTexture(
+      base::ProcessHandle process_handle,
+      const CreateSurfaceTextureCallback& callback);
 
   // Destroy all surface textures associated with |process_handle|.
   static void DestroyAllSurfaceTextures(base::ProcessHandle process_handle);
@@ -114,6 +117,11 @@ class CONTENT_EXPORT CompositorImpl
       const cc::UIResourceBitmap& bitmap,
       bool is_transient);
 
+  static void OnSurfaceTextureCreated(
+      int surface_texture_id,
+      base::ProcessHandle handle,
+      const CreateSurfaceTextureCallback& callback);
+
   scoped_refptr<cc::Layer> root_layer_;
   scoped_ptr<cc::LayerTreeHost> host_;