WIP Handle AwContents needing multiple live functors.

android_webview/browser/browser_view_renderer_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 <map>
 #include <queue>
 #include <utility>
 
 #include "android_webview/browser/browser_view_renderer.h"
 #include "android_webview/browser/child_frame.h"
@@ skipping 105 matching lines @@
       return false;
 
     return !constraints1.is_layer ||
            constraints1.surface_rect_empty == constraints2.surface_rect_empty;
   }
 
   void OnParentDrawConstraintsUpdated() override {
     ParentCompositorDrawConstraints constraints =
         GetCompositorFrameConsumer()->GetParentDrawConstraintsOnUI();
     switch (on_draw_count_) {
+      case 0u:
+        EXPECT_TRUE(DrawConstraintsEquals(constraints, initial_constraints_));
+        break;
       case 1u:
         EXPECT_TRUE(DrawConstraintsEquals(constraints, new_constraints_));
         break;
       case 3u:
         EXPECT_TRUE(DrawConstraintsEquals(constraints, initial_constraints_));
         EndTest();
         break;
       // There will be a following 4th onDraw. But the hardware renderer won't
       // post back the draw constraints in DrawGL because the constraints
       // don't change.
@@ skipping 204 matching lines @@
     EndTest();
   }
 
  private:
   OutputSurfaceResourceCountMap expected_return_count_;
 };
 
 RENDERING_TEST_F(RenderThreadManagerDeletionTest);
 
 }  // namespace android_webview