cc: Apply occlusion before creating quads in TextureLayerImpl.

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"
+#include "cc/test/mock_quad_culler.h"
 #include "cc/trees/layer_tree_host_impl.h"
 
 #define EXPECT_SET_NEEDS_COMMIT(expect, code_to_test)                 \
   do {                                                                \
     EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times((expect)); \
     code_to_test;                                                     \
     Mock::VerifyAndClearExpectations(layer_tree_host_.get());         \
   } while (false)
 
 #define EXPECT_SET_NEEDS_UPDATE(expect, code_to_test)                       \
   do {                                                                      \
     EXPECT_CALL(*layer_tree_host_, SetNeedsUpdateLayers()).Times((expect)); \
     code_to_test;                                                           \
     Mock::VerifyAndClearExpectations(layer_tree_host_.get());               \
   } while (false)
 
 namespace gfx { class Rect; }
 
 namespace cc {
+class OutputSurface;
 class QuadList;
+class ResourceProvider;
 
 class LayerTestCommon {
  public:
   static const char* quad_string;
 
   static void VerifyQuadsExactlyCoverRect(const QuadList& quads,
                                           const gfx::Rect& rect);
 
   static void VerifyQuadsCoverRectWithOcclusion(
       const QuadList& quads,
       const gfx::Rect& rect,
       const gfx::Rect& occluded,
       size_t* partially_occluded_count);
 
   class LayerImplTest {
    public:
     LayerImplTest();
     ~LayerImplTest();
 
     template <typename T>
     T* AddChildToRoot() {
       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(), 2);
       T* ptr = layer.get();
       root_layer_impl_->AddChild(layer.template PassAs<LayerImpl>());
       return ptr;
     }
 
-    void CalcDrawProps(const gfx::Size& viewport_size) {
-      LayerImplList layer_list;
-      LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
-          root_layer_impl_.get(), viewport_size, &layer_list);
-      LayerTreeHostCommon::CalculateDrawProperties(&inputs);
+    template <typename T, typename A>
+    T* AddChildToRoot(A a) {
+      scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(), 2, a);
+      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();
+    }
+    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_