Remove CommandBuffer::GetTransferBuffer.

ppapi/proxy/ppb_graphics_3d_proxy.cc

Index: ppapi/proxy/ppb_graphics_3d_proxy.cc
diff --git a/ppapi/proxy/ppb_graphics_3d_proxy.cc b/ppapi/proxy/ppb_graphics_3d_proxy.cc
index 847e294680d2acaa5b4a5d07f0c53f0fc4ed7215..4436465d4f825386fed39b27de56fe9ca4d6df18 100644
--- a/ppapi/proxy/ppb_graphics_3d_proxy.cc
+++ b/ppapi/proxy/ppb_graphics_3d_proxy.cc
@@ -84,7 +84,9 @@ PP_Bool Graphics3D::Flush(int32_t put_offset) {
   return PP_FALSE;
 }
 
-int32_t Graphics3D::CreateTransferBuffer(uint32_t size) {
+int32_t Graphics3D::CreateTransferBuffer(uint32_t size,
+                                         int* shm_handle,
+                                         uint32_t* shm_size) {
   return PP_FALSE;
 }
 
@@ -92,12 +94,6 @@ PP_Bool Graphics3D::DestroyTransferBuffer(int32_t id) {
   return PP_FALSE;
 }
 
-PP_Bool Graphics3D::GetTransferBuffer(int32_t id,
-                                      int* shm_handle,
-                                      uint32_t* shm_size) {
-  return PP_FALSE;
-}
-
 gpu::CommandBuffer::State Graphics3D::WaitForTokenInRange(int32_t start,
                                                           int32_t end) {
   return GetErrorState();
@@ -203,8 +199,6 @@ bool PPB_Graphics3D_Proxy::OnMessageReceived(const IPC::Message& msg) {
                         OnMsgCreateTransferBuffer)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics3D_DestroyTransferBuffer,
                         OnMsgDestroyTransferBuffer)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics3D_GetTransferBuffer,
-                        OnMsgGetTransferBuffer)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics3D_SwapBuffers,
                         OnMsgSwapBuffers)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics3D_InsertSyncPoint,
@@ -301,12 +295,20 @@ void PPB_Graphics3D_Proxy::OnMsgAsyncFlush(const HostResource& context,
 void PPB_Graphics3D_Proxy::OnMsgCreateTransferBuffer(
     const HostResource& context,
     uint32 size,
-    int32* id) {
+    int32* id,
+    ppapi::proxy::SerializedHandle* transfer_buffer) {
+  transfer_buffer->set_null_shmem();
   EnterHostFromHostResource<PPB_Graphics3D_API> enter(context);
-  if (enter.succeeded())
-    *id = enter.object()->CreateTransferBuffer(size);
-  else
+  if (enter.succeeded()) {
+    int shm_handle = 0;
+    uint32_t shm_size = 0;
+    *id = enter.object()->CreateTransferBuffer(size, &shm_handle, &shm_size);
+    transfer_buffer->set_shmem(
+        TransportSHMHandleFromInt(dispatcher(), shm_handle),
+        shm_size);
+  } else {
     *id = -1;
+  }
 }
 
 void PPB_Graphics3D_Proxy::OnMsgDestroyTransferBuffer(
@@ -317,23 +319,6 @@ void PPB_Graphics3D_Proxy::OnMsgDestroyTransferBuffer(
     enter.object()->DestroyTransferBuffer(id);
 }
 
-void PPB_Graphics3D_Proxy::OnMsgGetTransferBuffer(
-    const HostResource& context,
-    int32 id,
-    ppapi::proxy::SerializedHandle* transfer_buffer) {
-  transfer_buffer->set_null_shmem();
-
-  EnterHostFromHostResource<PPB_Graphics3D_API> enter(context);
-  int shm_handle = 0;
-  uint32_t shm_size = 0;
-  if (enter.succeeded() &&
-      enter.object()->GetTransferBuffer(id, &shm_handle, &shm_size)) {
-    transfer_buffer->set_shmem(
-        TransportSHMHandleFromInt(dispatcher(), shm_handle),
-        shm_size);
-  }
-}
-
 void PPB_Graphics3D_Proxy::OnMsgSwapBuffers(const HostResource& context) {
   EnterHostFromHostResourceForceCallback<PPB_Graphics3D_API> enter(
       context, callback_factory_,