Revert of Move content/browser/power_save_blocker to //device/power_save_blocker

device/power_save_blocker/BUILD.gn

Index: device/power_save_blocker/BUILD.gn
diff --git a/device/power_save_blocker/BUILD.gn b/device/power_save_blocker/BUILD.gn
deleted file mode 100644
index ab77ac23b2c8c72d106c73f3412d79dee92246d6..0000000000000000000000000000000000000000
--- a/device/power_save_blocker/BUILD.gn
+++ /dev/null
@@ -1,89 +0,0 @@
-# Copyright 2016 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.
-
-import("//build/config/features.gni")
-import("//build/config/ui.gni")
-
-if (is_android) {
-  import("//build/config/android/rules.gni")
-}
-
-component("power_save_blocker") {
-  sources = [
-    "power_save_blocker.h",
-    "power_save_blocker_android.cc",
-    "power_save_blocker_android.h",
-    "power_save_blocker_chromeos.cc",
-    "power_save_blocker_impl.cc",
-    "power_save_blocker_impl.h",
-    "power_save_blocker_mac.cc",
-    "power_save_blocker_ozone.cc",
-    "power_save_blocker_win.cc",
-    "power_save_blocker_x11.cc",
-  ]
-
-  defines = [ "DEVICE_POWER_SAVE_BLOCKER_IMPLEMENTATION" ]
-
-  deps = [
-    "//base",
-  ]
-
-  if (use_dbus) {
-    deps += [ "//dbus" ]
-  }
-
-  if (use_x11) {
-    configs += [ "//build/config/linux:x11" ]
-    if (!is_chromeos) {
-      configs += [ "//build/config/linux:xscrnsaver" ]
-    }
-    deps += [ "//ui/gfx/x" ]
-  }
-
-  # Dealing with power_save_blocker_{x11,ozone}.cc is a little complicated
-  # given the interaction between os_chromeos and the feature flags for X11 and
-  # ozone, so do it all in one spot.
-  if (is_chromeos || !use_ozone) {
-    sources -= [ "power_save_blocker_ozone.cc" ]
-  }
-  if (is_chromeos || !use_x11) {
-    sources -= [ "power_save_blocker_x11.cc" ]
-  }
-
-  if (is_android) {
-    sources += [
-      "power_save_blocker_jni_registrar.cc",
-      "power_save_blocker_jni_registrar.h",
-    ]
-
-    deps += [
-      ":jni_headers",
-      "//ui/android",
-    ]
-  }
-
-  if (is_chromeos) {
-    deps += [
-      "//chromeos",
-      "//chromeos:power_manager_proto",
-    ]
-  }
-}
-
-if (is_android) {
-  java_sources_needing_jni = [ "android/java/src/org/chromium/device/power_save_blocker/PowerSaveBlocker.java" ]
-
-  generate_jni("jni_headers") {
-    sources = java_sources_needing_jni
-    jni_package = "device"
-  }
-
-  android_library("java") {
-    java_files = java_sources_needing_jni
-    deps = [
-      "//base:base_java",
-      "//ui/android:ui_java",
-    ]
-  }
-}