Add support for setting TrackStart on solid color layers.

cc/test/layer_test_common.h

 // 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.
 
 #ifndef CC_TEST_LAYER_TEST_COMMON_H_
 #define CC_TEST_LAYER_TEST_COMMON_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/test/fake_layer_tree_host.h"
@@ skipping 57 matching lines @@
 
     template <typename T, typename A, typename B, typename C, typename D>
     T* AddChildToRoot(const A& a, const B& b, const C& c, const D& d) {
       scoped_ptr<T> layer =
           T::Create(host_->host_impl()->active_tree(), 2, a, b, c, d);
       T* ptr = layer.get();
       root_layer_impl_->AddChild(layer.template PassAs<LayerImpl>());
       return ptr;
     }
 
+    template <typename T,
+              typename A,
+              typename B,
+              typename C,
+              typename D,
+              typename E>
+    T* AddChildToRoot(const A& a,
+                      const B& b,
+                      const C& c,
+                      const D& d,
+                      const E& e) {
+      scoped_ptr<T> layer =
+          T::Create(host_->host_impl()->active_tree(), 2, a, b, c, d, e);
+      T* ptr = layer.get();
+      root_layer_impl_->AddChild(layer.template PassAs<LayerImpl>());
+      return ptr;
+    }
+
     void CalcDrawProps(const gfx::Size& viewport_size);
     void AppendQuadsWithOcclusion(LayerImpl* layer_impl,
                                   const gfx::Rect& occluded);
 
     OutputSurface* output_surface() const {
       return host_->host_impl()->output_surface();
     }
     ResourceProvider* resource_provider() const {
       return host_->host_impl()->resource_provider();
     }
     FakeLayerTreeHostImpl* host_impl() const { return host_->host_impl(); }
     Proxy* proxy() const { return host_->host_impl()->proxy(); }
     const QuadList& quad_list() const { return quad_culler_.quad_list(); }
 
    private:
     scoped_ptr<FakeLayerTreeHost> host_;
     scoped_ptr<LayerImpl> root_layer_impl_;
     MockQuadCuller quad_culler_;
   };
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_LAYER_TEST_COMMON_H_