Enable gesture events handling on Android.

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 941a791bc21c6d54e8274c36752c3bc74c90035c..e667e30e478b9474adcc37652dd0b83fc1e7c8ff 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -330,6 +330,18 @@ void RenderWidgetHostViewAndroid::UnlockMouse() {
   NOTIMPLEMENTED();
 }
 
+void RenderWidgetHostViewAndroid::TouchEvent(
+    const WebKit::WebTouchEvent& event) {
+  if (host_)
+    host_->ForwardTouchEvent(event);
+}
+
+void RenderWidgetHostViewAndroid::GestureEvent(
+    const WebKit::WebGestureEvent& event) {
+  if (host_)
+    host_->ForwardGestureEvent(event);
+}
+
 void RenderWidgetHostViewAndroid::SetContentViewCore(
     ContentViewCoreImpl* content_view_core) {
   content_view_core_ = content_view_core;
@@ -340,6 +352,12 @@ void RenderWidgetHostViewAndroid::SetContentViewCore(
   }
 }
 
+void RenderWidgetHostViewAndroid::DidSetNeedTouchEvents(
+    bool need_touch_events) {
+  if (content_view_core_)
+    content_view_core_->DidSetNeedTouchEvents(need_touch_events);
+}
+
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(
     ::WebKit::WebScreenInfo* results) {