mac: Remove nav.pdf in favor of IDR_DEFAULT_FAVICON.

chrome/browser/ui/panels/panel_window_controller_cocoa.mm

 // Copyright (c) 2012 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/ui/panels/panel_window_controller_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
@@ skipping 560 matching lines @@
     // If the throbber is spinning now, no need to replace it.
     if ([[titlebar_view_ icon] isKindOfClass:[ThrobberView class]])
       return;
 
     NSImage* iconImage =
         ResourceBundle::GetSharedInstance().GetNativeImageNamed(IDR_THROBBER);
     icon = [ThrobberView filmstripThrobberViewWithFrame:iconFrame
                                                   image:iconImage];
   } else {
     SkBitmap bitmap = windowShim_->panel()->GetCurrentPageIcon();
+    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     NSImage* iconImage = bitmap.isNull() ?
-        gfx::GetCachedImageWithName(@"nav.pdf") :
+        rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON) :
         gfx::SkBitmapToNSImageWithColorSpace(bitmap,
                                              base::mac::GetSystemColorSpace());
     NSImageView* iconView =
         [[[NSImageView alloc] initWithFrame:iconFrame] autorelease];
     [iconView setImage:iconImage];
     icon = iconView;
   }
 
   [titlebar_view_ setIcon:icon];
 }
@@ skipping 451 matching lines @@
 - (NSRect)contentRectForFrameRect:(NSRect)frameRect {
   NSRect contentRect = [[[self window] contentView] convertRect:frameRect
                                                        fromView:nil];
   contentRect.size.height -= panel::kTitlebarHeight;
   if (contentRect.size.height < 0)
     contentRect.size.height = 0;
   return contentRect;
 }
 
 @end