Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/tests/gl_manager.cc

Index: gpu/command_buffer/tests/gl_manager.cc
diff --git a/gpu/command_buffer/tests/gl_manager.cc b/gpu/command_buffer/tests/gl_manager.cc
index 95778c9cb47fde802cd155e5cffd2260d664cda7..0570fbc6261afc583553f15fc4aea94f8ef44b6f 100644
--- a/gpu/command_buffer/tests/gl_manager.cc
+++ b/gpu/command_buffer/tests/gl_manager.cc
@@ -289,12 +289,18 @@ void GLManager::InitializeWithCommandLine(const GLManager::Options& options,
 
   DCHECK(!command_line || !context_group);
   if (!context_group) {
+    gpu::GpuDriverBugWorkarounds::Initialize(command_line,
+                                             gpu_driver_bug_workarounds_);
     scoped_refptr<gles2::FeatureInfo> feature_info;
-    if (command_line)
-      feature_info = new gles2::FeatureInfo(*command_line);
+    if (command_line) {
+      gpu::GpuDriverBugWorkarounds::Initialize(command_line,
+                                               gpu_driver_bug_workarounds_);
+      feature_info = new gles2::FeatureInfo(*command_line,
+                                            gpu_driver_bug_workarounds_);
+    }
     context_group = new gles2::ContextGroup(
-        gpu_preferences_, mailbox_manager_.get(), NULL,
-        new gpu::gles2::ShaderTranslatorCache(gpu_preferences_),
+        gpu_preferences_, gpu_driver_bug_workarounds_, mailbox_manager_.get(),
+        NULL, new gpu::gles2::ShaderTranslatorCache(gpu_preferences_),
         new gpu::gles2::FramebufferCompletenessCache, feature_info, NULL, NULL,
         options.bind_generates_resource);
   }
@@ -463,7 +469,7 @@ void GLManager::Destroy() {
   }
 }
 
-const gpu::gles2::FeatureInfo::Workarounds& GLManager::workarounds() const {
+const gpu::GpuDriverBugWorkarounds& GLManager::workarounds() const {
   return decoder_->GetContextGroup()->feature_info()->workarounds();
 }