content: Remove blimp compositing dependencies.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 7bd31d95c1be9c0ab7fa28da8c0be16ffc5b5c52..6e1c484203cee876e71d7053fcf711f65a36922d 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -624,7 +624,6 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
                         OnWaitNextFrameForTests)
     IPC_MESSAGE_HANDLER(InputMsg_RequestCompositionUpdate,
                         OnRequestCompositionUpdate)
-    IPC_MESSAGE_HANDLER(ViewMsg_HandleCompositorProto, OnHandleCompositorProto)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
@@ -910,10 +909,6 @@ void RenderWidget::DidReceiveCompositorFrameAck() {
   need_update_rect_for_auto_resize_ = false;
 }
 
-void RenderWidget::ForwardCompositorProto(const std::vector<uint8_t>& proto) {
-  Send(new ViewHostMsg_ForwardCompositorProto(routing_id_, proto));
-}
-
 bool RenderWidget::IsClosing() const {
   return host_closing_;
 }
@@ -1672,11 +1667,6 @@ void RenderWidget::OnSetViewportIntersection(
   }
 }
 
-void RenderWidget::OnHandleCompositorProto(const std::vector<uint8_t>& proto) {
-  if (compositor_)
-    compositor_->OnHandleCompositorProto(proto);
-}
-
 void RenderWidget::OnDragTargetDragEnter(
     const std::vector<DropData::Metadata>& drop_meta_data,
     const gfx::Point& client_point,