Remove static thread pointers from CC

cc/render_surface_unittest.cc

Index: cc/render_surface_unittest.cc
diff --git a/cc/render_surface_unittest.cc b/cc/render_surface_unittest.cc
index bdcaa996cc13185de98a04dfd3af16047725cf7c..bde530a692ba106ff33fbc59582e648eb3dfff4f 100644
--- a/cc/render_surface_unittest.cc
+++ b/cc/render_surface_unittest.cc
@@ -39,9 +39,6 @@ TEST(RenderSurfaceTest, verifySurfaceChangesAreTrackedProperly)
     // This test checks that surfacePropertyChanged() has the correct behavior.
     //
 
-    // This will fake that we are on the correct thread for testing purposes.
-    DebugScopedSetImplThread setImplThread;
-
     scoped_ptr<LayerImpl> owningLayer = LayerImpl::create(1);
     owningLayer->createRenderSurface();
     ASSERT_TRUE(owningLayer->renderSurface());
@@ -76,9 +73,6 @@ TEST(RenderSurfaceTest, verifySurfaceChangesAreTrackedProperly)
 
 TEST(RenderSurfaceTest, sanityCheckSurfaceCreatesCorrectSharedQuadState)
 {
-    // This will fake that we are on the correct thread for testing purposes.
-    DebugScopedSetImplThread setImplThread;
-
     scoped_ptr<LayerImpl> rootLayer = LayerImpl::create(1);
 
     scoped_ptr<LayerImpl> owningLayer = LayerImpl::create(2);
@@ -130,9 +124,6 @@ private:
 
 TEST(RenderSurfaceTest, sanityCheckSurfaceCreatesCorrectRenderPass)
 {
-    // This will fake that we are on the correct thread for testing purposes.
-    DebugScopedSetImplThread setImplThread;
-
     scoped_ptr<LayerImpl> rootLayer = LayerImpl::create(1);
 
     scoped_ptr<LayerImpl> owningLayer = LayerImpl::create(2);