Look Up on Force Touch

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index e263f2c2c95e887f83c530e1763af019dc75817d..11095c1001f1dd1fad8ea62c698718fe67320c84 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -663,6 +663,10 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(InputMsg_SetFocus, OnSetFocus)
     IPC_MESSAGE_HANDLER(InputMsg_SyntheticGestureCompleted,
                         OnSyntheticGestureCompleted)
+#if defined(OS_MACOSX)
+    IPC_MESSAGE_HANDLER(InputMsg_SelectWordIfAnyAtCoordinates,
+                        OnSelectWordIfAnyAtCoordinates)
+#endif
     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewMsg_Resize, OnResize)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableDeviceEmulation,
@@ -1554,6 +1558,17 @@ void RenderWidget::OnSyntheticGestureCompleted() {
   pending_synthetic_gesture_callbacks_.pop();
 }
 
+void RenderWidget::OnSelectWordIfAnyAtCoordinates(float x, float y) {
+  input_handler_.set_handling_input_event(true);
+  if (!webwidget_)
+    return;
+
+  // Send a response if a word has been selected.
+  if (webwidget_->selectWordIfAnyAtCoordinates(x, y))
+    Send(new InputHostMsg_DidSelectWordAtCoordinates(routing_id()));
+  input_handler_.set_handling_input_event(false);
+}
+
 void RenderWidget::OnSetTextDirection(WebTextDirection direction) {
   if (!webwidget_)
     return;