Use the solid color detection to create solid layers

cc/test/fake_picture_layer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/fake_picture_layer.h"
 
 #include "cc/test/fake_picture_layer_impl.h"
 
 namespace cc {
 
@@ skipping 15 matching lines @@
 
 bool FakePictureLayer::Update(ResourceUpdateQueue* queue,
                               const OcclusionTracker<Layer>* occlusion) {
   bool updated = PictureLayer::Update(queue, occlusion);
   update_count_++;
   return updated || always_update_resources_;
 }
 
 void FakePictureLayer::PushPropertiesTo(LayerImpl* layer) {
   PictureLayer::PushPropertiesTo(layer);
+  PictureLayerImpl* layer_impl = static_cast<PictureLayerImpl*>(layer);
+  // the tests expect a non-solid layer
+  layer_impl->SetSolidColorState(false, SK_ColorBLACK);
   push_properties_count_++;
 }
 
 
 }  // namespace cc