Add mouse input forwarding to gpu service

content/common/gpu/gpu_command_buffer_stub.cc

Index: content/common/gpu/gpu_command_buffer_stub.cc
diff --git a/content/common/gpu/gpu_command_buffer_stub.cc b/content/common/gpu/gpu_command_buffer_stub.cc
index 5a6a72a18db95d739533f45289d7c1342d2f99fc..d8e974b670216556a8f509b11e56dadf710ccdde 100644
--- a/content/common/gpu/gpu_command_buffer_stub.cc
+++ b/content/common/gpu/gpu_command_buffer_stub.cc
@@ -36,6 +36,7 @@
 #include "gpu/command_buffer/service/memory_tracking.h"
 #include "gpu/command_buffer/service/query_manager.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
+#include "gpu/command_buffer/service/valuebuffer_manager.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_switches.h"
 
@@ -149,6 +150,7 @@ GpuCommandBufferStub::GpuCommandBufferStub(
     GpuCommandBufferStub* share_group,
     const gfx::GLSurfaceHandle& handle,
     gpu::gles2::MailboxManager* mailbox_manager,
+    gpu::gles2::ValuebufferManager* valuebuffer_manager,
     const gfx::Size& size,
     const gpu::gles2::DisallowedFeatures& disallowed_features,
     const std::vector<int32>& attribs,
@@ -190,6 +192,7 @@ GpuCommandBufferStub::GpuCommandBufferStub(
   } else {
     context_group_ = new gpu::gles2::ContextGroup(
         mailbox_manager,
+        valuebuffer_manager,
         new GpuCommandBufferMemoryTracker(channel),
         channel_->gpu_channel_manager()->shader_translator_cache(),
         NULL,