Split picture layer quads to allow removing more occluded area.

cc/layers/render_surface_impl_unittest.cc

 // Copyright 2014 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/layers/render_surface_impl.h"
 
 #include <stddef.h>
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/quads/render_pass_draw_quad.h"
@@ skipping 39 matching lines @@
     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
     EXPECT_EQ(impl.quad_list().size(), 0u);
   }
 
   {
     SCOPED_TRACE("Partial occlusion");
     gfx::Rect occluded(200, 0, 800, 1000);
     impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
 
     size_t partially_occluded_count = 0;
-    LayerTestCommon::VerifyQuadsAreOccluded(
-        impl.quad_list(), occluded, &partially_occluded_count);
+    LayerTestCommon::VerifyQuadsAreOccluded(impl.quad_list(), occluded, false,
+                                            &partially_occluded_count);
     // The layer outputs one quad, which is partially occluded.
     EXPECT_EQ(1u, impl.quad_list().size());
     EXPECT_EQ(1u, partially_occluded_count);
   }
 }
 
 TEST(RenderSurfaceLayerImplTest, AppendQuadsWithScaledMask) {
   gfx::Size layer_size(1000, 1000);
   gfx::Size viewport_size(1000, 1000);
   float scale_factor = 2;
@@ skipping 48 matching lines @@
 
   DCHECK(render_pass->quad_list.front());
   const RenderPassDrawQuad* quad =
       RenderPassDrawQuad::MaterialCast(render_pass->quad_list.front());
   EXPECT_EQ(gfx::RectF(0, 0, 1, 1), quad->mask_uv_rect);
   EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), quad->filters_scale);
 }
 
 }  // namespace
 }  // namespace cc