Splits TooltipManager so that it can be ported and stubs out the GTK...

views/widget/widget_gtk.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "views/widget/widget_gtk.h"
 
 #include "base/compiler_specific.h"
 #include "views/fill_layout.h"
 #include "views/widget/root_view.h"
+#include "views/widget/tooltip_manager_gtk.h"
 #include "views/window/window_gtk.h"
 
 namespace views {
 
 // Returns the position of a widget on screen.
 static void GetWidgetPositionOnScreen(GtkWidget* widget, int* x, int *y) {
   while (widget) {
     if (GTK_IS_WINDOW(widget)) {
       int window_x, window_y;
       gtk_window_get_position(GTK_WINDOW(widget), &window_x, &window_y);
@@ skipping 125 matching lines @@
   //
   // g_signal_connect(G_OBJECT(widget_), "drag_motion",
   //                  G_CALLBACK(drag_motion_event_cb), NULL);
   // g_signal_connect(G_OBJECT(widget_), "drag_leave",
   //                  G_CALLBACK(drag_leave_event_cb), NULL);
   // g_signal_connect(G_OBJECT(widget_), "drag_drop",
   //                  G_CALLBACK(drag_drop_event_cb), NULL);
   // g_signal_connect(G_OBJECT(widget_), "drag_data_received",
   //                  G_CALLBACK(drag_data_received_event_cb), NULL);
 
+  tooltip_manager_.reset(new TooltipManagerGtk(this));
+
   if (type_ == TYPE_CHILD) {
     WidgetGtk* parent_widget = GetViewForNative(parent);
     parent_widget->AddChild(widget_);
     parent_widget->PositionChild(widget_, bounds.x(), bounds.y(),
                                  bounds.width(), bounds.height());
   }
 }
 
 void WidgetGtk::AddChild(GtkWidget* child) {
   gtk_container_add(GTK_CONTAINER(child_widget_parent_), child);
@@ skipping 129 matching lines @@
   return GTK_WIDGET_VISIBLE(widget_);
 }
 
 bool WidgetGtk::IsActive() const {
   // If this only applies to windows, it shouldn't be in widget.
   DCHECK(GTK_IS_WINDOW(widget_));
   return gtk_window_is_active(GTK_WINDOW(widget_));
 }
 
 TooltipManager* WidgetGtk::GetTooltipManager() {
-  NOTIMPLEMENTED();
-  return NULL;
+  return tooltip_manager_.get();
 }
 
 bool WidgetGtk::GetAccelerator(int cmd_id, Accelerator* accelerator) {
   NOTIMPLEMENTED();
   return false;
 }
 
 Window* WidgetGtk::GetWindow() {
   return GetWindowImpl(widget_);
 }
@@ skipping 357 matching lines @@
 void WidgetGtk::HandleGrabBroke() {
   if (has_capture_) {
     if (is_mouse_down_)
       root_view_->ProcessMouseDragCanceled();
     is_mouse_down_ = false;
     has_capture_ = false;
   }
 }
 
 }  // namespace views