cc: Set the max frames pending from the thread proxy.

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 0cfb41f59f932bf3461f2d04faba459407f6dfd0..a2dd67cdbff7bfa08475dc794668cc8089cda5ac 100644
--- a/cc/test/fake_output_surface.h
+++ b/cc/test/fake_output_surface.h
@@ -24,6 +24,14 @@ class FakeOutputSurface : public OutputSurface {
     return make_scoped_ptr(new FakeOutputSurface(context3d.Pass(), false));
   }
 
+  static inline scoped_ptr<FakeOutputSurface> Create3d() {
+    scoped_ptr<WebKit::WebGraphicsContext3D> context3d =
+        FakeWebGraphicsContext3D::Create(
+            WebKit::WebGraphicsContext3D::Attributes())
+        .PassAs<WebKit::WebGraphicsContext3D>();
+    return make_scoped_ptr(new FakeOutputSurface(context3d.Pass(), false));
+  }
+
   static inline scoped_ptr<FakeOutputSurface> CreateSoftware(
       scoped_ptr<SoftwareOutputDevice> software_device) {
     return make_scoped_ptr(
@@ -35,6 +43,14 @@ class FakeOutputSurface : public OutputSurface {
     return make_scoped_ptr(new FakeOutputSurface(context3d.Pass(), true));
   }
 
+  static inline scoped_ptr<FakeOutputSurface> CreateDelegating3d() {
+    scoped_ptr<WebKit::WebGraphicsContext3D> context3d =
+        FakeWebGraphicsContext3D::Create(
+            WebKit::WebGraphicsContext3D::Attributes())
+        .PassAs<WebKit::WebGraphicsContext3D>();
+    return make_scoped_ptr(new FakeOutputSurface(context3d.Pass(), true));
+  }
+
   static inline scoped_ptr<FakeOutputSurface> CreateDelegatingSoftware(
       scoped_ptr<SoftwareOutputDevice> software_device) {
     return make_scoped_ptr(