Fix the Linux tab strip zone calculation when using the skyline. We are look...

chrome/browser/gtk/tabs/tab_strip_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 "chrome/browser/gtk/tabs/tab_strip_gtk.h"
 
 #include <algorithm>
 
 #include "app/gfx/canvas_paint.h"
 #include "app/l10n_util.h"
@@ skipping 1080 matching lines @@
   TabGtk* first_tab = GetTabAt(0);
   int w = Round(first_tab->IsSelected() ? selected : unselected);
 
   // We only want to run the animation if we're not already at the desired
   // size.
   if (abs(first_tab->width() - w) > 1)
     StartResizeLayoutAnimation();
 }
 
 bool TabStripGtk::IsCursorInTabStripZone() const {
+  gfx::Point tabstrip_topleft;
+  gtk_util::ConvertWidgetPointToScreen(tabstrip_.get(), &tabstrip_topleft);
+
   gfx::Rect bds = bounds();
-  gfx::Point tabstrip_topleft(bds.origin());
-  gtk_util::ConvertWidgetPointToScreen(tabstrip_.get(), &tabstrip_topleft);
   bds.set_origin(tabstrip_topleft);
   bds.set_height(bds.height() + kTabStripAnimationVSlop);
 
   GdkScreen* screen = gdk_screen_get_default();
   GdkDisplay* display = gdk_screen_get_display(screen);
   gint x, y;
   gdk_display_get_pointer(display, NULL, &x, &y, NULL);
   gfx::Point cursor_point(x, y);
 
   return bds.Contains(cursor_point);
@@ skipping 504 matching lines @@
   message.set_type(TabOverviewTypes::Message::WM_SWITCH_TO_OVERVIEW_MODE);
   GtkWidget* browser_widget = GTK_WIDGET(
       static_cast<BrowserWindowGtk*>(browser->window())->GetNativeHandle());
   message.set_param(0, x11_util::GetX11WindowFromGtkWidget(browser_widget));
   TabOverviewTypes::instance()->SendMessage(message);
 
   UserMetrics::RecordAction(L"TabOverview_PressedTabOverviewButton",
                             tabstrip->model_->profile());
 }
 #endif