Use a qualified path for grit includes in chrome/browser/chromeos.

chrome/browser/chromeos/extensions/wallpaper_function_base.cc

 // Copyright 2013 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/chromeos/extensions/wallpaper_function_base.h"
 
 #include "base/synchronization/cancellation_flag.h"
 #include "chrome/browser/image_decoder.h"
+#include "chrome/grit/generated_resources.h"
 #include "chromeos/login/login_state.h"
-#include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 
 namespace wallpaper_api_util {
 namespace {
 
 // Keeps in sync (same order) with WallpaperLayout enum in header file.
 const char* kWallpaperLayoutArrays[] = {
   "CENTER",
@@ skipping 96 matching lines @@
   unsafe_wallpaper_decoder_ = NULL;
   SetError(wallpaper_api_util::kCancelWallpaperMessage);
   SendResponse(false);
 }
 
 void WallpaperFunctionBase::OnFailure(const std::string& error) {
   unsafe_wallpaper_decoder_ = NULL;
   SetError(error);
   SendResponse(false);
 }