Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/service/in_process_command_buffer.cc

Index: gpu/command_buffer/service/in_process_command_buffer.cc
diff --git a/gpu/command_buffer/service/in_process_command_buffer.cc b/gpu/command_buffer/service/in_process_command_buffer.cc
index 9483bf1c928833feb3b2ba7e8f84fbcb43502ff8..378e9fb5ecf1fe858166f889cb63187d94709def 100644
--- a/gpu/command_buffer/service/in_process_command_buffer.cc
+++ b/gpu/command_buffer/service/in_process_command_buffer.cc
@@ -153,8 +153,11 @@ scoped_refptr<InProcessCommandBuffer::Service> GetInitialService(
 
 InProcessCommandBuffer::Service::Service() {}
 
-InProcessCommandBuffer::Service::Service(const GpuPreferences& gpu_preferences)
-    : gpu_preferences_(gpu_preferences) {}
+InProcessCommandBuffer::Service::Service(
+    const GpuPreferences& gpu_preferences,
+    const GpuDriverBugWorkarounds& gpu_driver_bug_workarounds)
+    : gpu_preferences_(gpu_preferences),
+      gpu_driver_bug_workarounds_(gpu_driver_bug_workarounds) {}
 
 InProcessCommandBuffer::Service::~Service() {}
 
@@ -163,6 +166,11 @@ InProcessCommandBuffer::Service::gpu_preferences() {
   return gpu_preferences_;
 }
 
+const gpu::GpuDriverBugWorkarounds&
+InProcessCommandBuffer::Service::gpu_driver_bug_workarounds() {
+  return gpu_driver_bug_workarounds_;
+}
+
 scoped_refptr<gfx::GLShareGroup>
 InProcessCommandBuffer::Service::share_group() {
   if (!share_group_.get())
@@ -347,6 +355,7 @@ bool InProcessCommandBuffer::InitializeOnGpuThread(
       params.context_group
           ? params.context_group->decoder_->GetContextGroup()
           : new gles2::ContextGroup(service_->gpu_preferences(),
+                                    service_->gpu_driver_bug_workarounds(),
                                     service_->mailbox_manager(), NULL,
                                     service_->shader_translator_cache(),
                                     service_->framebuffer_completeness_cache(),