[Media] Plumb a feature parameter for the background video keyframe distance.

media/blink/webmediaplayer_impl_unittest.cc

 // Copyright 2016 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 "media/blink/webmediaplayer_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 190 matching lines @@
     wmpi_.reset(new WebMediaPlayerImpl(
         web_local_frame_, &client_, nullptr, delegate_.AsWeakPtr(),
         base::MakeUnique<DefaultRendererFactory>(
             media_log_, nullptr, DefaultRendererFactory::GetGpuFactoriesCB()),
         url_index_,
         WebMediaPlayerParams(
             WebMediaPlayerParams::DeferLoadCB(),
             scoped_refptr<SwitchableAudioRendererSink>(), media_log_,
             media_thread_.task_runner(), message_loop_.task_runner(),
             message_loop_.task_runner(), WebMediaPlayerParams::Context3DCB(),
-            base::Bind(&OnAdjustAllocatedMemory), nullptr, nullptr, nullptr)));
+            base::Bind(&OnAdjustAllocatedMemory), nullptr, nullptr, nullptr,
+            base::TimeDelta::FromSeconds(10))));
   }
 
   ~WebMediaPlayerImplTest() override {
     // Destruct WebMediaPlayerImpl and pump the message loop to ensure that
     // objects passed to the message loop for destruction are released.
     //
     // NOTE: This should be done before any other member variables are
     // destructed since WMPI may reference them during destruction.
     wmpi_.reset();
     base::RunLoop().RunUntilIdle();
@@ skipping 537 matching lines @@
 
   // Average keyframe distance is too big.
   SetVideoKeyframeDistanceAverage(base::TimeDelta::FromSeconds(100));
   SetDuration(base::TimeDelta::FromSeconds(300));
   EXPECT_FALSE(IsBackgroundOptimizationCandidate());
   EXPECT_FALSE(ShouldPauseVideoWhenHidden());
   EXPECT_FALSE(ShouldDisableVideoWhenHidden());
 }
 
 }  // namespace media