Splitting DidSwap in cc::SwapPromise into WillSwap and DidSwap

content/renderer/gpu/queue_message_swap_promise_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 "content/renderer/gpu/queue_message_swap_promise.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 102 matching lines @@
                            data[i].source_frame_number).release());
     }
   }
 
   void CleanupPromises() {
     for (ScopedVector<cc::SwapPromise>::iterator i = promises_.begin();
          i != promises_.end();
          ++i) {
       if (*i) {
         (*i)->DidActivate();
-        (*i)->DidSwap(NULL);
+        (*i)->WillSwap(NULL);
+        (*i)->DidSwap();
       }
     }
   }
 
  protected:
   void VisualStateSwapPromiseDidNotSwap(
       cc::SwapPromise::DidNotSwapReason reason);
 
   base::MessageLoop message_loop_;
   scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue_;
   scoped_refptr<TestSyncMessageFilter> sync_message_filter_;
   std::vector<IPC::Message> messages_;
   ScopedVector<cc::SwapPromise> promises_;
 
  private:
   std::vector<std::unique_ptr<IPC::Message>> next_swap_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(QueueMessageSwapPromiseTest);
 };
 
 TEST_F(QueueMessageSwapPromiseTest, NextSwapPolicySchedulesMessageForNextSwap) {
   QueueMessageData data[] = {
     /* { policy, source_frame_number } */
     {MESSAGE_DELIVERY_POLICY_WITH_NEXT_SWAP, 1},
   };
   QueueMessages(data, arraysize(data));
 
   ASSERT_TRUE(promises_[0]);
   promises_[0]->DidActivate();
-  promises_[0]->DidSwap(NULL);
+  promises_[0]->WillSwap(NULL);
+  promises_[0]->DidSwap();
 
   EXPECT_TRUE(DirectSendMessages().empty());
   EXPECT_FALSE(frame_swap_message_queue_->Empty());
-  // frame_swap_message_queue_->DidSwap(1);
+  // frame_swap_message_queue_->WillSwap(1);
   EXPECT_TRUE(NextSwapHasMessage(messages_[0]));
 }
 
 TEST_F(QueueMessageSwapPromiseTest, NextSwapPolicyNeedsAtMostOnePromise) {
   QueueMessageData data[] = {
     /* { policy, source_frame_number } */
     {MESSAGE_DELIVERY_POLICY_WITH_NEXT_SWAP, 1},
     {MESSAGE_DELIVERY_POLICY_WITH_NEXT_SWAP, 1},
   };
   QueueMessages(data, arraysize(data));
@@ skipping 79 matching lines @@
 TEST_F(QueueMessageSwapPromiseTest, VisualStateSwapPromiseDidActivate) {
   QueueMessageData data[] = {
     /* { policy, source_frame_number } */
     {MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE, 1},
     {MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE, 1},
     {MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE, 2},
   };
   QueueMessages(data, arraysize(data));
 
   promises_[0]->DidActivate();
-  promises_[0]->DidSwap(NULL);
+  promises_[0]->WillSwap(NULL);
+  promises_[0]->DidSwap();
   ASSERT_FALSE(promises_[1]);
   std::vector<std::unique_ptr<IPC::Message>> messages;
   messages.swap(NextSwapMessages());
   EXPECT_EQ(2u, messages.size());
   EXPECT_TRUE(ContainsMessage(messages, messages_[0]));
   EXPECT_TRUE(ContainsMessage(messages, messages_[1]));
   EXPECT_FALSE(ContainsMessage(messages, messages_[2]));
 
   promises_[2]->DidActivate();
   promises_[2]->DidNotSwap(cc::SwapPromise::SWAP_FAILS);
@@ skipping 50 matching lines @@
 TEST_F(QueueMessageSwapPromiseTest, VisualStateSwapPromiseDidNotSwapSwapFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::SWAP_FAILS);
 }
 
 TEST_F(QueueMessageSwapPromiseTest,
        VisualStateSwapPromiseDidNotSwapActivationFails) {
   VisualStateSwapPromiseDidNotSwap(cc::SwapPromise::ACTIVATION_FAILS);
 }
 
 }  // namespace content