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

content/browser/power_save_blocker_android.cc

Index: content/browser/power_save_blocker_android.cc
diff --git a/content/browser/power_save_blocker_android.cc b/content/browser/power_save_blocker_android.cc
deleted file mode 100644
index 6b46bc3dd8d79fa9d389285f4e0988d6764cfc92..0000000000000000000000000000000000000000
--- a/content/browser/power_save_blocker_android.cc
+++ /dev/null
@@ -1,105 +0,0 @@
-// 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 "base/android/jni_android.h"
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "content/browser/power_save_blocker_impl.h"
-#include "jni/PowerSaveBlocker_jni.h"
-#include "ui/android/view_android.h"
-
-namespace content {
-
-using base::android::AttachCurrentThread;
-
-class PowerSaveBlockerImpl::Delegate
-    : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> {
- public:
-  Delegate(base::WeakPtr<ui::ViewAndroid> view_android,
-           scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
-
-  // Does the actual work to apply or remove the desired power save block.
-  void ApplyBlock();
-  void RemoveBlock();
-
- private:
-  friend class base::RefCountedThreadSafe<Delegate>;
-  ~Delegate();
-
-  base::WeakPtr<ui::ViewAndroid> view_android_;
-
-  base::android::ScopedJavaGlobalRef<jobject> java_power_save_blocker_;
-
-  scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(Delegate);
-};
-
-PowerSaveBlockerImpl::Delegate::Delegate(
-    base::WeakPtr<ui::ViewAndroid> view_android,
-    scoped_refptr<base::SequencedTaskRunner> ui_task_runner)
-    : view_android_(view_android), ui_task_runner_(ui_task_runner) {
-  JNIEnv* env = AttachCurrentThread();
-  java_power_save_blocker_.Reset(Java_PowerSaveBlocker_create(env));
-}
-
-PowerSaveBlockerImpl::Delegate::~Delegate() {
-}
-
-void PowerSaveBlockerImpl::Delegate::ApplyBlock() {
-  DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-
-  ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);
-  JNIEnv* env = AttachCurrentThread();
-  if (view_android_) {
-    Java_PowerSaveBlocker_applyBlock(
-        env, obj.obj(), view_android_->GetViewAndroidDelegate().obj());
-  }
-}
-
-void PowerSaveBlockerImpl::Delegate::RemoveBlock() {
-  DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-  ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);
-  JNIEnv* env = AttachCurrentThread();
-  if (view_android_) {
-    Java_PowerSaveBlocker_removeBlock(
-        env, obj.obj(), view_android_->GetViewAndroidDelegate().obj());
-  }
-}
-
-PowerSaveBlockerImpl::PowerSaveBlockerImpl(
-    PowerSaveBlockerType type,
-    Reason reason,
-    const std::string& description,
-    scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
-    scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner)
-    : ui_task_runner_(ui_task_runner),
-      blocking_task_runner_(blocking_task_runner) {
-  // Don't support kPowerSaveBlockPreventAppSuspension
-}
-
-PowerSaveBlockerImpl::~PowerSaveBlockerImpl() {
-  if (delegate_.get()) {
-    ui_task_runner_->PostTask(FROM_HERE,
-                              base::Bind(&Delegate::RemoveBlock, delegate_));
-  }
-}
-
-void PowerSaveBlockerImpl::InitDisplaySleepBlocker(
-    const base::WeakPtr<ui::ViewAndroid>& view_android) {
-  DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
-  if (!view_android)
-    return;
-
-  delegate_ = new Delegate(view_android, ui_task_runner_);
-  delegate_->ApplyBlock();
-}
-
-bool RegisterPowerSaveBlocker(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace content