Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/tests/gl_manager.h

Index: gpu/command_buffer/tests/gl_manager.h
diff --git a/gpu/command_buffer/tests/gl_manager.h b/gpu/command_buffer/tests/gl_manager.h
index b6acf4d58df772cfc91440f2a1160cbb1a0bc625..4819e4c5f5b234fe3787c5165015cfd9fef2b006 100644
--- a/gpu/command_buffer/tests/gl_manager.h
+++ b/gpu/command_buffer/tests/gl_manager.h
@@ -84,7 +84,7 @@ class GLManager : private GpuControl {
 
   void Initialize(const Options& options);
   void InitializeWithCommandLine(const Options& options,
-                                 base::CommandLine* command_line);
+                                 const base::CommandLine& command_line);
   void Destroy();
 
   bool IsInitialized() const { return gles2_implementation() != nullptr; }
@@ -119,7 +119,7 @@ class GLManager : private GpuControl {
     return context_.get();
   }
 
-  const gpu::gles2::FeatureInfo::Workarounds& workarounds() const;
+  const GpuDriverBugWorkarounds& workarounds() const;
 
   // GpuControl implementation.
   void SetGpuControlClient(GpuControlClient*) override;