Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

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 <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "content/public/browser/power_save_blocker.h"
+#include "device/power_save_blocker/power_save_blocker.h"
 #include "extensions/browser/api_test_utils.h"
 #include "extensions/browser/api_unittest.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/test_util.h"
 
 namespace extensions {
 
 namespace {
 
 // Args commonly passed to PowerSaveBlockerStubManager::CallFunction().
 const char kDisplayArgs[] = "[\"display\"]";
 const char kSystemArgs[] = "[\"system\"]";
 const char kEmptyArgs[] = "[]";
 
 // Different actions that can be performed as a result of a
 // PowerSaveBlocker being created or destroyed.
 enum Request {
   BLOCK_APP_SUSPENSION,
   UNBLOCK_APP_SUSPENSION,
   BLOCK_DISPLAY_SLEEP,
   UNBLOCK_DISPLAY_SLEEP,
   // Returned by PowerSaveBlockerStubManager::PopFirstRequest() when no
   // requests are present.
   NONE,
 };
 
-// Stub implementation of content::PowerSaveBlocker that just runs a
-// callback on destruction.
-class PowerSaveBlockerStub : public content::PowerSaveBlocker {
+// Stub implementation of device::PowerSaveBlocker that just runs a callback on
+// destruction.
+class PowerSaveBlockerStub : public device::PowerSaveBlocker {
  public:
   explicit PowerSaveBlockerStub(base::Closure unblock_callback)
       : unblock_callback_(unblock_callback) {
   }
 
   ~PowerSaveBlockerStub() override { unblock_callback_.Run(); }
 
  private:
   base::Closure unblock_callback_;
 
@@ skipping 27 matching lines @@
     if (requests_.empty())
       return NONE;
 
     Request request = requests_.front();
     requests_.pop_front();
     return request;
   }
 
  private:
   // Creates a new PowerSaveBlockerStub of type |type|.
-  std::unique_ptr<content::PowerSaveBlocker> CreateStub(
-      content::PowerSaveBlocker::PowerSaveBlockerType type,
-      content::PowerSaveBlocker::Reason reason,
-      const std::string& description) {
+  std::unique_ptr<device::PowerSaveBlocker> CreateStub(
+      device::PowerSaveBlocker::PowerSaveBlockerType type,
+      device::PowerSaveBlocker::Reason reason,
+      const std::string& description,
+      scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> file_task_runner) {
     Request unblock_request = NONE;
     switch (type) {
-      case content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension:
+      case device::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension:
         requests_.push_back(BLOCK_APP_SUSPENSION);
         unblock_request = UNBLOCK_APP_SUSPENSION;
         break;
-      case content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep:
+      case device::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep:
         requests_.push_back(BLOCK_DISPLAY_SLEEP);
         unblock_request = UNBLOCK_DISPLAY_SLEEP;
         break;
     }
-    return std::unique_ptr<content::PowerSaveBlocker>(new PowerSaveBlockerStub(
+    return std::unique_ptr<device::PowerSaveBlocker>(new PowerSaveBlockerStub(
         base::Bind(&PowerSaveBlockerStubManager::AppendRequest,
                    weak_ptr_factory_.GetWeakPtr(), unblock_request)));
   }
 
   void AppendRequest(Request request) {
     requests_.push_back(request);
   }
 
   content::BrowserContext* browser_context_;
 
@@ skipping 150 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