Add CCDelegatingRenderer, and corresponding IPCs

cc/CCResourceProvider.h

Index: cc/CCResourceProvider.h
diff --git a/cc/CCResourceProvider.h b/cc/CCResourceProvider.h
index e90c1f2e9640f4d17e6158e364bc544eebc45ada..0bea057a49720df421856745fc9d0c201f5b579f 100644
--- a/cc/CCResourceProvider.h
+++ b/cc/CCResourceProvider.h
@@ -28,8 +28,11 @@ namespace cc {
 
 class IntRect;
 class LayerTextureSubImage;
+struct Mailbox;
 class TextureCopier;
 class TextureUploader;
+struct TransferableResource;
+struct TransferableResourceList;
 
 // Thread-safety notes: this class is not thread-safe and can only be called
 // from the thread it was created on (in practice, the compositor thread).
@@ -43,28 +46,11 @@ public:
         GLTexture = 1,
         Bitmap,
     };
-    struct Mailbox {
-        GC3Dbyte name[64];
-    };
-    struct TransferableResource {
-        unsigned id;
-        GC3Denum format;
-        IntSize size;
-        Mailbox mailbox;
-    };
-    typedef Vector<TransferableResource> TransferableResourceArray;
-    struct TransferableResourceList {
-        TransferableResourceList();
-        ~TransferableResourceList();
-
-        TransferableResourceArray resources;
-        unsigned syncPoint;
-    };
-
     static PassOwnPtr<CCResourceProvider> create(CCGraphicsContext*);
 
     virtual ~CCResourceProvider();
 
+    CCGraphicsContext* context() const { return m_context; }
     WebKit::WebGraphicsContext3D* graphicsContext3D();
     TextureUploader* textureUploader() const { return m_textureUploader.get(); }
     TextureCopier* textureCopier() const { return m_textureCopier.get(); }
@@ -118,16 +104,16 @@ public:
 
     // Prepares resources to be transfered to the parent, moving them to
     // mailboxes and serializing meta-data into TransferableResources.
-    // Resources are not removed from the CCResourceProvider, but are markes as
+    // Resources are not removed from the CCResourceProvider, but are marked as
     // "in use".
-    TransferableResourceList prepareSendToParent(const ResourceIdArray&);
+    void prepareSendToParent(const ResourceIdArray&, TransferableResourceList*);
 
     // Prepares resources to be transfered back to the child, moving them to
     // mailboxes and serializing meta-data into TransferableResources.
     // Resources are removed from the CCResourceProvider. Note: the resource IDs
     // passed are in the parent namespace and will be translated to the child
     // namespace when returned.
-    TransferableResourceList prepareSendToChild(int child, const ResourceIdArray&);
+    void prepareSendToChild(int child, const ResourceIdArray&, TransferableResourceList*);
 
     // Receives resources from a child, moving them from mailboxes. Resource IDs
     // passed are in the child namespace, and will be translated to the parent
@@ -223,7 +209,7 @@ private:
         bool lockedForWrite;
         bool external;
         bool exported;
-        bool markedForDeletion;
+        bool deleted;
         IntSize size;
         GC3Denum format;
         ResourceType type;