linux: use TabContents to launch url for link in crash page...

chrome/browser/gtk/sad_tab_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_GTK_SAD_TAB_GTK_H_
 #define CHROME_BROWSER_GTK_SAD_TAB_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
 #include "base/gfx/rect.h"
 #include "chrome/common/owned_widget_gtk.h"
 
+class TabContents;
+
 class SadTabGtk {
  public:
-  SadTabGtk();
+  explicit SadTabGtk(TabContents* tab_contents);
   ~SadTabGtk();
 
   GtkWidget* widget() { return event_box_.get(); }
 
  private:
-  // expose-event handler that draws the gradient background of the SadTabGtk.
+  // Expose-event handler that draws the gradient background of the SadTabGtk.
   static gboolean OnBackgroundExposeThunk(GtkWidget* widget,
                                           GdkEventExpose* event,
                                           SadTabGtk* sad_tab) {
     return sad_tab->OnBackgroundExpose(widget, event);
   }
 
   gboolean OnBackgroundExpose(GtkWidget* widget, GdkEventExpose* event);
 
-  // size-allocate handler to adjust dimensions for children widgets.
+  // Size-allocate handler to adjust dimensions for children widgets.
   static void OnSizeAllocateThunk(GtkWidget* widget,
-                                      GtkAllocation* allocation,
-                                      SadTabGtk* sad_tab) {
+                                  GtkAllocation* allocation,
+                                  SadTabGtk* sad_tab) {
     sad_tab->OnSizeAllocate(widget, allocation);
   }
 
   void OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation);
 
-  // click-event handler that opens the url of the clicked link.
-  static void OnLinkButtonClick(GtkWidget* button, const char* url);
+  // Clicked-event handler for link to launch associated url.
+  static void OnLinkButtonClickThunk(GtkWidget* widget,
+                                     SadTabGtk* sad_tab) {
+    sad_tab->OnLinkButtonClick();
+  }
+
+  void OnLinkButtonClick();
 
   // Track the view's width and height from size-allocate signals.
   int width_;
   int height_;
 
+  TabContents* tab_contents_;
   OwnedWidgetGtk event_box_;
   GtkWidget* top_padding_;
   GtkWidget* message_;
 
   DISALLOW_COPY_AND_ASSIGN(SadTabGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_SAD_TAB_GTK_H__