Use Custome ListContainer to Allocate SharedQuadState

cc/surfaces/surface_aggregator_test_helpers.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/surfaces/surface_aggregator_test_helpers.h"
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 116 matching lines @@
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 }
 
 void TestPassMatchesExpectations(Pass expected_pass, const RenderPass* pass) {
   ASSERT_EQ(expected_pass.quad_count, pass->quad_list.size());
-  size_t i = 0;
   for (QuadList::ConstIterator iter = pass->quad_list.begin();
        iter != pass->quad_list.end();
        ++iter) {
-    SCOPED_TRACE(base::StringPrintf("Quad number %" PRIuS, i));
-    TestQuadMatchesExpectations(expected_pass.quads[i], &*iter);
-    ++i;
+    SCOPED_TRACE(base::StringPrintf("Quad number %" PRIuS, iter.index()));
+    TestQuadMatchesExpectations(expected_pass.quads[iter.index()], &*iter);
   }
 }
 
 void TestPassesMatchExpectations(Pass* expected_passes,
                                  size_t expected_pass_count,
                                  const RenderPassList* passes) {
   ASSERT_EQ(expected_pass_count, passes->size());
 
   for (size_t i = 0; i < passes->size(); ++i) {
     SCOPED_TRACE(base::StringPrintf("Pass number %" PRIuS, i));
     RenderPass* pass = passes->at(i);
     TestPassMatchesExpectations(expected_passes[i], pass);
   }
 }
 
 }  // namespace test
 }  // namespace cc