Added image pattern comparison logic for test interface and fixture.

remoting/test/app_remoting_latency_test_fixture.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_latency_test_fixture.h"
 
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/timer/timer.h"
@@ skipping 33 matching lines @@
     FAIL();
   }
 }
 
 void AppRemotingLatencyTestFixture::TearDown() {
   connection_helper_.reset();
 }
 
 void AppRemotingLatencyTestFixture::SetExpectedImagePattern(
     const webrtc::DesktopRect& expected_rect,
-    const RgbaColor& expected_color) {
+    uint32_t expected_color) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(!run_loop_ || !run_loop_->running());
 
   run_loop_.reset(new base::RunLoop());
   base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&TestVideoRenderer::SetImagePatternAndMatchedCallback,
-                 test_video_renderer_, expected_rect, expected_color,
-                 run_loop_->QuitClosure()));
+      FROM_HERE, base::Bind(&TestVideoRenderer::ExpectAverageColorInRect,
+                            test_video_renderer_, expected_rect, expected_color,
+                            run_loop_->QuitClosure()));
 }
 
 bool AppRemotingLatencyTestFixture::WaitForImagePatternMatched(
     const base::TimeDelta& max_wait_time) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(run_loop_);
 
   DCHECK(!timer_->IsRunning());
   timer_->Start(FROM_HERE, max_wait_time, run_loop_->QuitClosure());
 
   run_loop_->Run();
 
   // Image pattern is matched if we stopped because of the reply not the timer.
   bool image_pattern_is_matched = (timer_->IsRunning());
   timer_->Stop();
   run_loop_.reset();
 
   return image_pattern_is_matched;
 }
 
 }  // namespace test
 }  // namespace remoting