cc: Add threaded GPU rasterization.

cc/test/fake_output_surface.h

Index: cc/test/fake_output_surface.h
diff --git a/cc/test/fake_output_surface.h b/cc/test/fake_output_surface.h
index a564eef1546e09f1a828d0af04e2571c6c080f17..39a78ead5946bb537ed6d4c909eafd0c7c3d6e9e 100644
--- a/cc/test/fake_output_surface.h
+++ b/cc/test/fake_output_surface.h
@@ -24,7 +24,7 @@ class FakeOutputSurface : public OutputSurface {
 
   static scoped_ptr<FakeOutputSurface> Create3d() {
     return make_scoped_ptr(new FakeOutputSurface(
-        TestContextProvider::Create(), false));
+        TestContextProvider::Create(), TestContextProvider::Create(), false));
   }
 
   static scoped_ptr<FakeOutputSurface> Create3d(
@@ -33,6 +33,13 @@ class FakeOutputSurface : public OutputSurface {
   }
 
   static scoped_ptr<FakeOutputSurface> Create3d(
+      scoped_refptr<ContextProvider> context_provider,
+      scoped_refptr<ContextProvider> worker_context_provider) {
+    return make_scoped_ptr(new FakeOutputSurface(
+        context_provider, worker_context_provider, false));
+  }
+
+  static scoped_ptr<FakeOutputSurface> Create3d(
       scoped_ptr<TestWebGraphicsContext3D> context) {
     return make_scoped_ptr(new FakeOutputSurface(
         TestContextProvider::Create(context.Pass()), false));
@@ -46,7 +53,7 @@ class FakeOutputSurface : public OutputSurface {
 
   static scoped_ptr<FakeOutputSurface> CreateDelegating3d() {
     return make_scoped_ptr(new FakeOutputSurface(
-        TestContextProvider::Create(), true));
+        TestContextProvider::Create(), TestContextProvider::Create(), true));
   }
 
   static scoped_ptr<FakeOutputSurface> CreateDelegating3d(
@@ -128,9 +135,12 @@ class FakeOutputSurface : public OutputSurface {
       scoped_refptr<ContextProvider> context_provider,
       bool delegated_rendering);
 
-  FakeOutputSurface(
-      scoped_ptr<SoftwareOutputDevice> software_device,
-      bool delegated_rendering);
+  FakeOutputSurface(scoped_refptr<ContextProvider> context_provider,
+                    scoped_refptr<ContextProvider> worker_context_provider,
+                    bool delegated_rendering);
+
+  FakeOutputSurface(scoped_ptr<SoftwareOutputDevice> software_device,
+                    bool delegated_rendering);
 
   FakeOutputSurface(
       scoped_refptr<ContextProvider> context_provider,