Add IPC to allow gpu process to send message for console back to renderer

content/common/gpu/gpu_messages.h

 // Copyright (c) 2011 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 <vector>
 #include <string>
 
@@ skipping 64 matching lines @@
 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
   IPC_STRUCT_MEMBER(int32, renderer_id)
   IPC_STRUCT_MEMBER(int32, render_view_id)
   IPC_STRUCT_MEMBER(uint64, identifier)
   IPC_STRUCT_MEMBER(int32, route_id)
 #if defined(OS_MACOSX)
   IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, window)
 #endif
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
+  IPC_STRUCT_MEMBER(int32, id)
+  IPC_STRUCT_MEMBER(std::string, message)
+IPC_STRUCT_END()
+
 IPC_STRUCT_TRAITS_BEGIN(content::DxDiagNode)
   IPC_STRUCT_TRAITS_MEMBER(values)
   IPC_STRUCT_TRAITS_MEMBER(children)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::GPUInfo)
   IPC_STRUCT_TRAITS_MEMBER(finalized)
   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
   IPC_STRUCT_TRAITS_MEMBER(device_id)
@@ skipping 250 matching lines @@
 // again to process any commands issued subsequent to unscheduling. The GPU
 // process actually sends it (deferred) to itself.
 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 
 // Return the current state of the command buffer following a request via
 // an AsyncGetState or AsyncFlush message. (This message is sent from the
 // GPU process to the renderer process.)
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_UpdateState,
                     gpu::CommandBuffer::State /* state */)
 
+// Sent by the GPU process to display messages in the console.
+IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
+                    GPUCommandBufferConsoleMessage /* msg */)
+
 // Create a shared memory transfer buffer. Returns an id that can be used to
 // identify the transfer buffer from a comment.
 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateTransferBuffer,
                            int32 /* size */,
                            int32 /* id_request (-1 means any) */,
                            int32 /* id */)
 
 // Register an existing shared memory transfer buffer. Returns an id that can be
 // used to identify the transfer buffer from a command buffer.
 IPC_SYNC_MESSAGE_ROUTED3_1(GpuCommandBufferMsg_RegisterTransferBuffer,
@@ skipping 145 matching lines @@
 
 // Confirm decoder has been reset.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 
 // Decoder has faced end of stream marker in the stream.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_EndOfStream)
 
 // Video decoder has encountered an error.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
                     uint32) /* Error ID */