Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/service/renderbuffer_manager_unittest.cc

Index: gpu/command_buffer/service/renderbuffer_manager_unittest.cc
diff --git a/gpu/command_buffer/service/renderbuffer_manager_unittest.cc b/gpu/command_buffer/service/renderbuffer_manager_unittest.cc
index 815d8eec87b3c389234cbeecc58e70811a44da6a..c48806fc978e26b8a1f346a56145f134784446a1 100644
--- a/gpu/command_buffer/service/renderbuffer_manager_unittest.cc
+++ b/gpu/command_buffer/service/renderbuffer_manager_unittest.cc
@@ -31,7 +31,8 @@ class RenderbufferManagerTestBase : public GpuServiceTest {
                  bool depth24_supported,
                  bool use_gles) {
     GpuServiceTest::SetUp();
-    feature_info_ = new FeatureInfo();
+    GpuDriverBugWorkarounds::Initialize(gpu_driver_bug_workarounds_);
+    feature_info_ = new FeatureInfo(gpu_driver_bug_workarounds_);
     TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
         gl_.get(),
         depth24_supported ? "GL_OES_depth24" : "",