Use PowerSaveBlocker for audio and video on Chrome OS.

extensions/browser/api/power/power_api_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 "extensions/browser/api/power/power_api.h"
 
 #include <deque>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 73 matching lines @@
 
     Request request = requests_.front();
     requests_.pop_front();
     return request;
   }
 
  private:
   // Creates a new PowerSaveBlockerStub of type |type|.
   scoped_ptr<content::PowerSaveBlocker> CreateStub(
       content::PowerSaveBlocker::PowerSaveBlockerType type,
-      const std::string& reason) {
+      content::PowerSaveBlocker::Reason reason,
+      const std::string& description) {
     Request unblock_request = NONE;
     switch (type) {
       case content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension:
         requests_.push_back(BLOCK_APP_SUSPENSION);
         unblock_request = UNBLOCK_APP_SUSPENSION;
         break;
       case content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep:
         requests_.push_back(BLOCK_DISPLAY_SLEEP);
         unblock_request = UNBLOCK_DISPLAY_SLEEP;
         break;
@@ skipping 163 matching lines @@
   EXPECT_EQ(NONE, manager_->PopFirstRequest());
 
   // Make the first extension block display-sleep again.
   ASSERT_TRUE(CallFunction(REQUEST, kDisplayArgs, extension()));
   EXPECT_EQ(BLOCK_DISPLAY_SLEEP, manager_->PopFirstRequest());
   EXPECT_EQ(UNBLOCK_APP_SUSPENSION, manager_->PopFirstRequest());
   EXPECT_EQ(NONE, manager_->PopFirstRequest());
 }
 
 }  // namespace extensions