Enable touch based selection and editing for webpages behind a flag.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index 979f2c783586ed5d09c004f56c46a4e47b6c8fdb..4580f2abb3d4e802775a6ac0b569d84f64065c13 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -995,6 +995,8 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionChanged, OnSelectionChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged,
                         OnSelectionBoundsChanged)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_TouchEditingHandlesVisibilityChanged,
+                        OnTouchEditingHandlesVisibilityChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ScriptEvalResponse, OnScriptEvalResponse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidZoomURL, OnDidZoomURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_MediaNotification, OnMediaNotification)
@@ -1412,6 +1414,12 @@ void RenderViewHostImpl::OnSelectionBoundsChanged(
   }
 }
 
+void RenderViewHostImpl::OnTouchEditingHandlesVisibilityChanged(bool visible) {
+  if (view_) {
+    view_->TouchEditingHandlesVisibilityChanged(visible);
+  }
+}
+
 void RenderViewHostImpl::OnRouteCloseEvent() {
   // Have the delegate route this to the active RenderViewHost.
   delegate_->RouteCloseEvent(this);