Added image pattern comparison logic for test interface and fixture.

remoting/test/app_remoting_connection_helper.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 "remoting/test/app_remoting_connection_helper.h"
 
+#include "base/callback_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/test/app_remoting_test_driver_environment.h"
 #include "remoting/test/remote_application_details.h"
 #include "remoting/test/test_chromoting_client.h"
@@ skipping 29 matching lines @@
     scoped_ptr<TestChromotingClient> test_chromoting_client) {
   client_ = test_chromoting_client.Pass();
   client_->AddRemoteConnectionObserver(this);
 }
 
 void AppRemotingConnectionHelper::SetHostMessageReceivedCallback(
       HostMessageReceivedCallback host_message_received_callback) {
   host_message_received_callback_ = host_message_received_callback;
 }
 
-void AppRemotingConnectionHelper::ResetHostMessageReceivedCallback() {
-  host_message_received_callback_.Reset();
-}
-
 bool AppRemotingConnectionHelper::StartConnection() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(client_);
 
   RemoteHostInfo remote_host_info;
   remoting::test::AppRemotingSharedData->GetRemoteHostInfoForApplicationId(
       application_details_.application_id, &remote_host_info);
 
   if (!remote_host_info.IsReadyForConnection()) {
     return false;
@@ skipping 71 matching lines @@
   }
 }
 
 void AppRemotingConnectionHelper::HostMessageReceived(
     const protocol::ExtensionMessage& message) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // If a callback is not registered, then the message is passed to a default
   // handler for the class based on the message type.
   if (!host_message_received_callback_.is_null()) {
-    host_message_received_callback_.Run(message);
+    base::ResetAndReturn(&host_message_received_callback_).Run(message);
   } else if (message.type() == "onWindowAdded") {
     HandleOnWindowAddedMessage(message);
   } else {
     VLOG(2) << "HostMessage not handled by HostMessageReceived().";
     VLOG(2) << "type: " << message.type();
     VLOG(2) << "data: " << message.data();
   }
 }
 
 void AppRemotingConnectionHelper::SendClientConnectionDetailsToHost() {
@@ skipping 57 matching lines @@
     DCHECK(run_loop_);
     // Now that the main window is visible, give the app some time to settle
     // before signaling that it is ready to run tests.
     timer_->Start(FROM_HERE, base::TimeDelta::FromSeconds(2),
                   run_loop_->QuitClosure());
   }
 }
 
 }  // namespace test
 }  // namespace remoting