Plumb shift-reload down into newly-added shift-reload API.

chrome/browser/gtk/browser_toolbar_gtk.cc

 // Copyright (c) 2010 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/browser_toolbar_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 #include <X11/XF86keysym.h>
 
@@ skipping 608 matching lines @@
 void BrowserToolbarGtk::OnButtonClick(GtkWidget* button,
                                       BrowserToolbarGtk* toolbar) {
   if ((button == toolbar->back_->widget()) ||
       (button == toolbar->forward_->widget())) {
     toolbar->location_bar_->Revert();
     return;
   }
 
   int tag = -1;
   if (button == toolbar->reload_->widget()) {
-    tag = IDC_RELOAD;
+    GdkModifierType modifier_state;
+    if (gtk_get_current_event_state(&modifier_state) &&
+        modifier_state & GDK_SHIFT_MASK) {
+      tag = IDC_RELOAD_IGNORING_CACHE;
+    } else {
+      tag = IDC_RELOAD;
+    }
     toolbar->location_bar_->Revert();
   } else if (toolbar->home_.get() && button == toolbar->home_->widget()) {
     tag = IDC_HOME;
   } else if (button == toolbar->star_->widget()) {
     tag = IDC_BOOKMARK_PAGE;
   }
 
   DCHECK_NE(tag, -1) << "Unexpected button click callback";
   toolbar->browser_->ExecuteCommandWithDisposition(tag,
       gtk_util::DispositionForCurrentButtonPressEvent());
@@ skipping 80 matching lines @@
   menu->PopupAsFromKeyEvent(button);
   menu_bar_helper_.MenuStartedShowing(button, menu->widget());
 }
 
 void BrowserToolbarGtk::PopupForButtonNextTo(GtkWidget* button,
                                              GtkMenuDirectionType dir) {
   GtkWidget* other_button = button == page_menu_button_.get() ?
       app_menu_button_.get() : page_menu_button_.get();
   PopupForButton(other_button);
 }