cc: Don't call ReadyToFinalizeTextureUpdates multiple times

cc/resources/resource_update_controller_unittest.cc

 // 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.
 
 #include "cc/resources/resource_update_controller.h"
 
 #include "base/test/test_simple_task_runner.h"
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
@@ skipping 437 matching lines @@
   controller->SetUpdateTextureTime(base::TimeDelta::FromMilliseconds(100));
   controller->SetUpdateMoreTexturesSize(1);
   // Enough time for 3 updates but only 2 necessary.
   controller->PerformMoreUpdates(controller->Now() +
                                  base::TimeDelta::FromMilliseconds(310));
   RunPendingTask(task_runner.get(), controller.get());
   EXPECT_FALSE(task_runner->HasPendingTask());
   EXPECT_TRUE(client.ReadyToFinalizeCalled());
   EXPECT_EQ(2, num_total_uploads_);
 
+  client.Reset();
   controller->SetUpdateTextureTime(base::TimeDelta::FromMilliseconds(100));
   controller->SetUpdateMoreTexturesSize(1);
   // Enough time for updates but no more updates left.
   controller->PerformMoreUpdates(controller->Now() +
                                  base::TimeDelta::FromMilliseconds(310));
-  // 0-delay task used to call ReadyToFinalizeTextureUpdates().
-  RunPendingTask(task_runner.get(), controller.get());
+
+  // ReadyToFinalizeTextureUpdates should only be called once.
   EXPECT_FALSE(task_runner->HasPendingTask());
-  EXPECT_TRUE(client.ReadyToFinalizeCalled());
+  EXPECT_FALSE(client.ReadyToFinalizeCalled());
   EXPECT_EQ(2, num_total_uploads_);
 }
 
 TEST_F(ResourceUpdateControllerTest, UpdatesCompleteInFiniteTime) {
   FakeResourceUpdateControllerClient client;
   scoped_refptr<base::TestSimpleTaskRunner> task_runner =
       new base::TestSimpleTaskRunner;
 
   SetMaxUploadCountPerUpdate(1);
   AppendFullUploadsToUpdateQueue(2);
@@ skipping 23 matching lines @@
       RunPendingTask(task_runner.get(), controller.get());
   }
 
   EXPECT_FALSE(task_runner->HasPendingTask());
   EXPECT_TRUE(client.ReadyToFinalizeCalled());
   EXPECT_EQ(2, num_total_uploads_);
 }
 
 }  // namespace
 }  // namespace cc