Use ContainerView for PowerSaveBlocker to keep screen on

device/power_save_blocker/power_save_blocker_android.cc

Index: device/power_save_blocker/power_save_blocker_android.cc
diff --git a/device/power_save_blocker/power_save_blocker_android.cc b/device/power_save_blocker/power_save_blocker_android.cc
index 4d6e3c574bee1d4cbbb043eae95e97b24924c5b2..c58903548de637b3f6c0b264f6cd81445e071c3d 100644
--- a/device/power_save_blocker/power_save_blocker_android.cc
+++ b/device/power_save_blocker/power_save_blocker_android.cc
@@ -32,8 +32,6 @@ class PowerSaveBlocker::Delegate
 
   base::android::ScopedJavaGlobalRef<jobject> java_power_save_blocker_;
 
-  ui::ViewAndroid::ScopedAnchorView anchor_view_;
-
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(Delegate);
@@ -52,21 +50,19 @@ void PowerSaveBlocker::Delegate::ApplyBlock(ui::ViewAndroid* view_android) {
   DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(view_android);
 
-  JNIEnv* env = AttachCurrentThread();
-  anchor_view_ = view_android->AcquireAnchorView();
-  const ScopedJavaLocalRef<jobject> popup_view = anchor_view_.view();
-  if (popup_view.is_null())
-    return;
-  view_android->SetAnchorRect(popup_view, gfx::RectF());
   ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);
-  Java_PowerSaveBlocker_applyBlock(env, obj, popup_view);
+  ScopedJavaLocalRef<jobject> container_view(view_android->GetContainerView());
+  if (container_view.is_null())
+    return;
+
+  Java_PowerSaveBlocker_applyBlock(AttachCurrentThread(), obj, container_view);
 }
 
 void PowerSaveBlocker::Delegate::RemoveBlock() {
   DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());
+
   ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);
   Java_PowerSaveBlocker_removeBlock(AttachCurrentThread(), obj);
-  anchor_view_.Reset();
 }
 
 PowerSaveBlocker::PowerSaveBlocker(