cc: Add CompositorFrame class with IPC param traits for it

cc/compositor_frame.cc

Index: cc/compositor_frame.cc
diff --git a/cc/renderer.cc b/cc/compositor_frame.cc
similarity index 54%
copy from cc/renderer.cc
copy to cc/compositor_frame.cc
index 50f07a34eef88ecca63f292a29237bf0b5271f2b..da665395eb4d5def198a733d90bc94f733f4a40a 100644
--- a/cc/renderer.cc
+++ b/cc/compositor_frame.cc
@@ -2,18 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "cc/renderer.h"
+#include "cc/compositor_frame.h"
 
 namespace cc {
 
-bool Renderer::haveCachedResourcesForRenderPassId(RenderPass::Id) const
-{
-    return false;
-}
+CompositorFrame::CompositorFrame() {}
 
-bool Renderer::isContextLost()
-{
-    return false;
-}
+CompositorFrame::~CompositorFrame() {}
 
 }  // namespace cc