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

content/public/browser/BUILD.gn

 # 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.
 
 import("//content/browser/browser.gni")
 import("//build/config/ui.gni")
 
 # See //content/BUILD.gn for how this works.
 group("browser") {
   if (is_component_build) {
@@ skipping 25 matching lines @@
     "//mojo/public/cpp/system",
 
     # We expose skia headers in the public API.
     "//skia",
     "//third_party/WebKit/public:mojo_bindings",
   ]
   deps = [
     "//cc",
     "//content/browser",  # Must not be public_deps!
     "//content/public/common:common_sources",
+    "//device/power_save_blocker",
     "//gpu",
     "//media",
     "//net",
     "//ppapi/c",
     "//storage/browser",
     "//ui/accessibility",
     "//ui/base",
     "//ui/events",
     "//ui/gl",
     "//ui/surface",
   ]
 
   allow_circular_includes_from = [
     # This target is a pair with content/browser. They always go together and
     # include headers from each other.
     "//content/browser",
   ]
 
   if (is_android) {
     deps += [ "//ui/android" ]
   }
 
   if (use_aura) {
     sources -= [ "context_factory.h" ]
     deps += [ "//ui/aura" ]
   }
 }