Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/service/framebuffer_manager_unittest.cc

Index: gpu/command_buffer/service/framebuffer_manager_unittest.cc
diff --git a/gpu/command_buffer/service/framebuffer_manager_unittest.cc b/gpu/command_buffer/service/framebuffer_manager_unittest.cc
index c3538c592d7daf7555f8c1896302860803957bf9..db5c7333b586ff492f613efb92ce50c5fc17b47e 100644
--- a/gpu/command_buffer/service/framebuffer_manager_unittest.cc
+++ b/gpu/command_buffer/service/framebuffer_manager_unittest.cc
@@ -37,9 +37,9 @@ const bool kUseDefaultTextures = false;
 
 class FramebufferManagerTest : public GpuServiceTest {
  public:
-  FramebufferManagerTest()
-      : manager_(1, 1, CONTEXT_TYPE_OPENGLES2, NULL),
-        feature_info_(new FeatureInfo()) {
+  FramebufferManagerTest() : manager_(1, 1, CONTEXT_TYPE_OPENGLES2, NULL) {
+    GpuDriverBugWorkarounds::Initialize(gpu_driver_bug_workarounds_);
+    feature_info_ = new FeatureInfo(gpu_driver_bug_workarounds_);
     texture_manager_.reset(new TextureManager(NULL,
                                               feature_info_.get(),
                                               kMaxTextureSize,
@@ -118,8 +118,9 @@ class FramebufferInfoTestBase : public GpuServiceTest {
       : manager_(kMaxDrawBuffers,
                  kMaxColorAttachments,
                  context_type,
-                 new FramebufferCompletenessCache),
-        feature_info_(new FeatureInfo()) {
+                 new FramebufferCompletenessCache) {
+    GpuDriverBugWorkarounds::Initialize(gpu_driver_bug_workarounds_);
+    feature_info_ = new FeatureInfo(gpu_driver_bug_workarounds_);
     texture_manager_.reset(new TextureManager(NULL,
                                               feature_info_.get(),
                                               kMaxTextureSize,