Implement disambiguation popup

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 4fcdff0f41609b004a69f807ba995b3d4e5a7036..ee008ca5d3f00d5bcbc39b48c10495b4b63d9028 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -316,6 +316,8 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnMsgDidActivateAcceleratedCompositing)
     IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnMsgLockMouse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnMsgUnlockMouse)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDisambiguationPopup,
+                        OnMsgShowDisambiguationPopup)
 #if defined(OS_POSIX) || defined(USE_AURA)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetWindowRect, OnMsgGetWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetRootWindowRect, OnMsgGetRootWindowRect)
@@ -1825,6 +1827,19 @@ void RenderWidgetHostImpl::OnMsgUnlockMouse() {
   RejectMouseLockOrUnlockIfNecessary();
 }
 
+void RenderWidgetHostImpl::OnMsgShowDisambiguationPopup(
+    const gfx::Rect& rect,
+    const gfx::Size& size,
+    const TransportDIB::Id& id) {
+  TransportDIB* dib = process_->GetTransportDIB(id);
+
+  // TODO(trchen): implement the platform-specific disambiguation popup
+  NOTIMPLEMENTED();
+
+  Send(new ViewMsg_ReleaseDisambiguationPopupDIB(GetRoutingID(),
+                                                 dib->handle()));
+}
+
 #if defined(OS_POSIX) || defined(USE_AURA)
 void RenderWidgetHostImpl::OnMsgGetWindowRect(gfx::NativeViewId window_id,
                                               gfx::Rect* results) {