Add DriverBugWorkaroundsInGpuProcessPage to gpu_process_test.py

gpu/ipc/common/gpu_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 99 matching lines @@
 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 // destructor, so that the stub deletes the actual CommandBufferService
 // object that it's hosting.
 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
                             int32_t /* instance_id */)
 
 // Simple NOP message which can be used as fence to ensure all previous sent
 // messages have been received.
 IPC_SYNC_MESSAGE_CONTROL0_0(GpuChannelMsg_Nop)
 
+// Retrieve the current list of gpu driver workarounds effectively running on
+// the gpu process.
+IPC_SYNC_MESSAGE_CONTROL0_1(GpuChannelMsg_GetDriverBugWorkArounds,
+                            std::vector<std::string> /* workarounds */)
+
 #if defined(OS_ANDROID)
 //------------------------------------------------------------------------------
 // Stream Texture Messages
 // Tells the GPU process create and send the java surface texture object to
 // the renderer process through the binder thread.
 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
                     int32_t, /* primary_id */
                     int32_t /* secondary_id */)
 
 // Tells the GPU process to set the size of StreamTexture from the given
@@ skipping 104 matching lines @@
                     GpuCommandBufferMsg_CreateImage_Params /* params */)
 
 // Destroy a previously created image.
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage, int32_t /* id */)
 
 // Attaches an external image stream to the client texture.
 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
                            uint32_t, /* client_texture_id */
                            int32_t,  /* stream_id */
                            bool /* succeeded */)