Fix crashers and issues when rendering blimp in tabs

blimp/client/core/contents/tab_control_feature_unittest.cc

 // Copyright 2015 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 "blimp/client/core/contents/tab_control_feature.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 38 matching lines @@
   uint64_t height = 15;
   float dp_to_px = 1.23f;
 
   EXPECT_CALL(
       *out_processor_,
       MockableProcessMessage(EqualsSizeMessage(width, height, dp_to_px), _))
       .Times(1);
   feature_.SetSizeAndScale(gfx::Size(width, height), dp_to_px);
 }
 
-TEST_F(TabControlFeatureTest, NoDuplicateSizeMessage) {
+TEST_F(TabControlFeatureTest, EnsureDuplicateSizeMessageAllowed) {
   uint64_t width = 10;
   uint64_t height = 15;
   float dp_to_px = 1.23f;
 
   EXPECT_CALL(
       *out_processor_,
       MockableProcessMessage(EqualsSizeMessage(width, height, dp_to_px), _))
-      .Times(1)
+      .Times(2)
       .RetiresOnSaturation();
   EXPECT_CALL(
       *out_processor_,
       MockableProcessMessage(EqualsSizeMessage(width, height, dp_to_px + 1), _))
-      .Times(1)
+      .Times(2)
       .RetiresOnSaturation();
   EXPECT_CALL(*out_processor_,
               MockableProcessMessage(
                   EqualsSizeMessage(width + 1, height, dp_to_px + 1), _))
-      .Times(1)
+      .Times(2)
       .RetiresOnSaturation();
   EXPECT_CALL(*out_processor_,
               MockableProcessMessage(
                   EqualsSizeMessage(width + 1, height + 1, dp_to_px + 1), _))
-      .Times(1)
+      .Times(2)
       .RetiresOnSaturation();
 
   feature_.SetSizeAndScale(gfx::Size(width, height), dp_to_px);
   feature_.SetSizeAndScale(gfx::Size(width, height), dp_to_px);
   feature_.SetSizeAndScale(gfx::Size(width, height), dp_to_px + 1);
+  feature_.SetSizeAndScale(gfx::Size(width, height), dp_to_px + 1);
   feature_.SetSizeAndScale(gfx::Size(width + 1, height), dp_to_px + 1);
+  feature_.SetSizeAndScale(gfx::Size(width + 1, height), dp_to_px + 1);
+  feature_.SetSizeAndScale(gfx::Size(width + 1, height + 1), dp_to_px + 1);
   feature_.SetSizeAndScale(gfx::Size(width + 1, height + 1), dp_to_px + 1);
 }
 
 }  // namespace client
 }  // namespace blimp