Revert 113479 - Revert "Revert 113250 - Add CommandBuffer::SetGetBuffer"

webkit/plugins/ppapi/ppb_graphics_3d_impl.cc

Index: webkit/plugins/ppapi/ppb_graphics_3d_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_graphics_3d_impl.cc	(revision 113511)
+++ webkit/plugins/ppapi/ppb_graphics_3d_impl.cc	(working copy)
@@ -87,13 +87,14 @@
   return this;
 }
 
-PP_Bool PPB_Graphics3D_Impl::InitCommandBuffer() {
-  return PP_FromBool(GetCommandBuffer()->Initialize());
+PP_Bool PPB_Graphics3D_Impl::InitCommandBuffer(int32_t size) {
+  return PP_FromBool(GetCommandBuffer()->Initialize(size));
 }
 
-PP_Bool PPB_Graphics3D_Impl::SetGetBuffer(int32_t transfer_buffer_id) {
-  GetCommandBuffer()->SetGetBuffer(transfer_buffer_id);
-  return PP_TRUE;
+PP_Bool PPB_Graphics3D_Impl::GetRingBuffer(int* shm_handle,
+                                           uint32_t* shm_size) {
+  gpu::Buffer buffer = GetCommandBuffer()->GetRingBuffer();
+  return ShmToHandle(buffer.shared_memory, buffer.size, shm_handle, shm_size);
 }
 
 PP_Graphics3DTrustedState PPB_Graphics3D_Impl::GetState() {
@@ -190,7 +191,7 @@
     return false;
 
   gpu::CommandBuffer* command_buffer = GetCommandBuffer();
-  if (!command_buffer->Initialize())
+  if (!command_buffer->Initialize(kCommandBufferSize))
     return false;
 
   return CreateGLES2Impl(kCommandBufferSize, kTransferBufferSize);