Allow WebExternalTextureLayerClient to work with mailboxes.

webkit/compositor_bindings/web_external_texture_layer_impl.h

Index: webkit/compositor_bindings/web_external_texture_layer_impl.h
diff --git a/webkit/compositor_bindings/web_external_texture_layer_impl.h b/webkit/compositor_bindings/web_external_texture_layer_impl.h
index e468a35f00b89f3f74f1ce44eab46a4458b46276..1cb82914e693f1a3f710063671d83147c9a54ae7 100644
--- a/webkit/compositor_bindings/web_external_texture_layer_impl.h
+++ b/webkit/compositor_bindings/web_external_texture_layer_impl.h
@@ -5,8 +5,10 @@
 #ifndef WebExternalTextureLayerImpl_h
 #define WebExternalTextureLayerImpl_h
 
+#include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/texture_layer_client.h"
+#include "cc/texture_mailbox.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebExternalTextureLayer.h"
 #include "webkit/compositor_bindings/webkit_compositor_bindings_export.h"
 
@@ -14,16 +16,21 @@ namespace WebKit {
 
 class WebLayerImpl;
 struct WebFloatRect;
+class Mailbox;
 
-class WebExternalTextureLayerImpl : public WebExternalTextureLayer,
-                                    public cc::TextureLayerClient {
+class WebExternalTextureLayerImpl
+    : public WebExternalTextureLayer,
+      public cc::TextureLayerClient,
+      public base::SupportsWeakPtr<WebExternalTextureLayerImpl> {
  public:
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT explicit WebExternalTextureLayerImpl(
-      WebExternalTextureLayerClient*);
+      WebExternalTextureLayerClient*,
+      bool mailbox);
   virtual ~WebExternalTextureLayerImpl();
 
   // WebExternalTextureLayer implementation.
   virtual WebLayer* layer();
+  virtual void clearTexture();
   virtual void setTextureId(unsigned);
   virtual void setFlipped(bool);
   virtual void setUVRect(const WebFloatRect&);
@@ -35,10 +42,14 @@ class WebExternalTextureLayerImpl : public WebExternalTextureLayer,
   // TextureLayerClient implementation.
   virtual unsigned prepareTexture(cc::ResourceUpdateQueue&) OVERRIDE;
   virtual WebGraphicsContext3D* context() OVERRIDE;
+  virtual bool prepareTextureMailbox(cc::TextureMailbox*) OVERRIDE;
 
+  void mailboxReleased(const Mailbox &mailbox, unsigned syncPoint);

[piman, 2013/03/14 19:54:58]

Does this need to be public?

[alexst (slow to review), 2013/03/14 20:37:06]

Done.

  private:

[piman, 2013/03/14 19:54:58]

nit: keep blank line before 'private:'
The one after isn't necessary.

[alexst (slow to review), 2013/03/14 20:37:06]

Done.

+
   WebExternalTextureLayerClient* client_;
   scoped_ptr<WebLayerImpl> layer_;
+  bool uses_mailbox_;
 };
 
 }