PPAPI: move GLES2Implementation to PPAPI glue

chrome/renderer/ggl/ggl.cc

Index: chrome/renderer/ggl/ggl.cc
diff --git a/chrome/renderer/ggl/ggl.cc b/chrome/renderer/ggl/ggl.cc
index 43b6f67118c7553636b738d530a870351f00dc69..16260f19d9227256f94261a8cfd5842ca1714b68 100644
--- a/chrome/renderer/ggl/ggl.cc
+++ b/chrome/renderer/ggl/ggl.cc
@@ -123,6 +123,11 @@ class Context : public base::SupportsWeakPtr<Context> {
   gpu::gles2::GLES2Implementation* gles2_implementation() const {
     return gles2_implementation_;
   }
+
+  CommandBufferProxy* command_buffer() const {
+    return command_buffer_;
+  }
+
  private:
   void OnSwapBuffers();
 
@@ -575,4 +580,9 @@ gpu::gles2::GLES2Implementation* GetImplementation(Context* context) {
   return context->gles2_implementation();
 }
 
+CommandBufferProxy* GetCommandBufferProxy(Context* context) {
+  DCHECK(context);
+  return context->command_buffer();
+}
+
 }  // namespace ggl