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

device/power_save_blocker/power_save_blocker_mac.cc

 // Copyright (c) 2012 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 "content/browser/power_save_blocker_impl.h"
+#include "device/power_save_blocker/power_save_blocker_impl.h"
 
 #include <IOKit/pwr_mgt/IOPMLib.h>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
 
-namespace content {
+namespace device {
 namespace {
 
 // Power management cannot be done on the UI thread. IOPMAssertionCreate does a
 // synchronous MIG call to configd, so if it is called on the main thread the UI
 // is at the mercy of another process. See http://crbug.com/79559 and
-// http://www.opensource.apple.com/source/IOKitUser/IOKitUser-514.16.31/pwr_mgt.subproj/IOPMLibPrivate.c .
+// http://www.opensource.apple.com/source/IOKitUser/IOKitUser-514.16.31/pwr_mgt.subproj/IOPMLibPrivate.c
+// .
 struct PowerSaveBlockerLazyInstanceTraits {
   static const bool kRegisterOnExit = false;
 #ifndef NDEBUG
   static const bool kAllowedToAccessOnNonjoinableThread = true;
 #endif
 
   static base::Thread* New(void* instance) {
     base::Thread* thread = new (instance) base::Thread("PowerSaveBlocker");
     thread->Start();
     return thread;
   }
-  static void Delete(base::Thread* instance) { }
+  static void Delete(base::Thread* instance) {}
 };
 base::LazyInstance<base::Thread, PowerSaveBlockerLazyInstanceTraits>
     g_power_thread = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 class PowerSaveBlockerImpl::Delegate
     : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> {
  public:
   Delegate(PowerSaveBlockerType type, const std::string& description)
@@ skipping 29 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
   if (level) {
     base::ScopedCFTypeRef<CFStringRef> cf_description(
         base::SysUTF8ToCFStringRef(description_));
     IOReturn result = IOPMAssertionCreateWithName(level, kIOPMAssertionLevelOn,
                                                   cf_description, &assertion_);
-    LOG_IF(ERROR, result != kIOReturnSuccess)
-        << "IOPMAssertionCreate: " << result;
+    LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionCreate: "
+                                              << result;
   }
 }
 
 void PowerSaveBlockerImpl::Delegate::RemoveBlock() {
   DCHECK_EQ(base::PlatformThread::CurrentId(),
             g_power_thread.Pointer()->GetThreadId());
 
   if (assertion_ != kIOPMNullAssertionID) {
     IOReturn result = IOPMAssertionRelease(assertion_);
-    LOG_IF(ERROR, result != kIOReturnSuccess)
-        << "IOPMAssertionRelease: " << result;
+    LOG_IF(ERROR, result != kIOReturnSuccess) << "IOPMAssertionRelease: "
+                                              << result;
   }
 }
 
 PowerSaveBlockerImpl::PowerSaveBlockerImpl(
     PowerSaveBlockerType type,
     Reason reason,
     const std::string& description,
     scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner)
     : delegate_(new Delegate(type, description)),
       ui_task_runner_(ui_task_runner),
       blocking_task_runner_(blocking_task_runner) {
   g_power_thread.Pointer()->message_loop()->PostTask(
-      FROM_HERE,
-      base::Bind(&Delegate::ApplyBlock, delegate_));
+      FROM_HERE, base::Bind(&Delegate::ApplyBlock, delegate_));
 }
 
 PowerSaveBlockerImpl::~PowerSaveBlockerImpl() {
   g_power_thread.Pointer()->message_loop()->PostTask(
-      FROM_HERE,
-      base::Bind(&Delegate::RemoveBlock, delegate_));
+      FROM_HERE, base::Bind(&Delegate::RemoveBlock, delegate_));
 }
 
-}  // namespace content
+}  // namespace device