Initial CL for Data Saver (Flywheel) prompt when cellular network detected

ash/accelerators/debug_commands.cc

Index: ash/accelerators/debug_commands.cc
diff --git a/ash/accelerators/debug_commands.cc b/ash/accelerators/debug_commands.cc
index 5ce0c7c40d9f8f1fc20421ffe74bec59ddab4fc3..5910a6d0885cda4b193eade508571bb05cde9091 100644
--- a/ash/accelerators/debug_commands.cc
+++ b/ash/accelerators/debug_commands.cc
@@ -15,6 +15,7 @@
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
+#include "chromeos/network/network_state_handler.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/aura/window.h"
@@ -170,6 +171,10 @@ void PerformDebugActionIfEnabled(AcceleratorAction action) {
     case DEBUG_TOGGLE_SHOW_DEBUG_BORDERS:
       ToggleShowDebugBorders();
       break;
+    case DEBUG_TOGGLE_SHOW_DATASAVER_PROMPT:

[Daniel Erat, 2015/03/23 03:49:20]

alphabetization

[Greg Levin, 2015/03/24 20:35:32]

Done.

+      chromeos::NetworkHandler::Get()->network_state_handler()
+          ->DebugNotifyNetworkPropertiesUpdated();
+      break;
     case DEBUG_TOGGLE_SHOW_FPS_COUNTER:
       ToggleShowFpsCounter();
       break;