Adopt ui::GestureConfiguration on Android

ui/events/gesture_detection/gesture_configuration_default.cc

Index: ui/events/gesture_detection/gesture_configuration_default.cc
diff --git a/ui/events/gesture_detection/gesture_config_helper.cc b/ui/events/gesture_detection/gesture_configuration_default.cc
similarity index 70%
rename from ui/events/gesture_detection/gesture_config_helper.cc
rename to ui/events/gesture_detection/gesture_configuration_default.cc
index 0039e2c1f931f834b0bbfadf76a18991af82e141..b23b947e57bae729cbd473a263917d80276660c6 100644
--- a/ui/events/gesture_detection/gesture_config_helper.cc
+++ b/ui/events/gesture_detection/gesture_configuration_default.cc
@@ -2,12 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/events/gesture_detection/gesture_config_helper.h"
+#include "ui/events/gesture_detection/gesture_configuration.h"
 
 #include "ui/gfx/screen.h"
 
 namespace ui {
 
+GestureConfiguration* GestureConfiguration::GetInstance() {

[tdresser, 2014/10/21 15:21:58]

Why do we need a default which is different from both Android and Aura?

[jdduke (slow), 2014/10/21 16:02:06]

This is used on Mac (devtools touch emulation).

[jdduke (slow), 2014/10/21 16:15:12]

Absolutely. There's a TODO in touch_emulator.cc to do just that, but I went
ahead and filed crbug.com/425586.

+  return Singleton<GestureConfiguration>::get();
+}
+
 GestureProvider::Config DefaultGestureProviderConfig() {
   GestureProvider::Config config;
   config.display = gfx::Screen::GetNativeScreen()->GetPrimaryDisplay();