cc: Make single-thread renderer compositor always synchronous.

content/test/fake_compositor_dependencies.cc

Index: content/test/fake_compositor_dependencies.cc
diff --git a/content/test/fake_compositor_dependencies.cc b/content/test/fake_compositor_dependencies.cc
index 98aa6b558ee8fb68debb18854551fda7d0acfa96..1cac46c2cdf502743b8e9a250af1a22a7acb78e2 100644
--- a/content/test/fake_compositor_dependencies.cc
+++ b/content/test/fake_compositor_dependencies.cc
@@ -10,8 +10,7 @@
 
 namespace content {
 
-FakeCompositorDependencies::FakeCompositorDependencies()
-    : use_single_thread_scheduler_(true) {
+FakeCompositorDependencies::FakeCompositorDependencies() {
 }
 
 FakeCompositorDependencies::~FakeCompositorDependencies() {
@@ -53,10 +52,6 @@ bool FakeCompositorDependencies::IsElasticOverscrollEnabled() {
   return false;
 }
 
-bool FakeCompositorDependencies::UseSingleThreadScheduler() {
-  return use_single_thread_scheduler_;
-}
-
 uint32 FakeCompositorDependencies::GetImageTextureTarget() {
   return GL_TEXTURE_2D;
 }