Eliminate silently letting errors pass on pak loading.

content/public/test/test_content_client_initializer.cc

 // 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 "content/public/test/test_content_client_initializer.h"
 
 #include "content/browser/notification_service_impl.h"
 #include "content/public/common/content_client.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/test/test_content_browser_client.h"
 #include "content/test/test_content_client.h"
 #include "content/test/test_render_view_host_factory.h"
+#include "ui/base/ui_base_paths.h"
 
 namespace content {
 
 TestContentClientInitializer::TestContentClientInitializer() {
+  // The TestContentClient uses content_shell.pak, so ensure the paths are set.
+  ui::RegisterPathProvider();
+
   notification_service_.reset(new NotificationServiceImpl());
 
   content_client_.reset(new TestContentClient);
   SetContentClient(content_client_.get());
 
   content_browser_client_.reset(new TestContentBrowserClient());
   content::SetBrowserClientForTesting(content_browser_client_.get());
 }
 
 TestContentClientInitializer::~TestContentClientInitializer() {
   test_render_view_host_factory_.reset();
   rph_factory_.reset();
   notification_service_.reset();
 
   SetContentClient(NULL);
   content_client_.reset();
 
   content_browser_client_.reset();
 }
 
 void TestContentClientInitializer::CreateTestRenderViewHosts() {
 #if !defined(OS_IOS)
   rph_factory_.reset(new MockRenderProcessHostFactory());
   test_render_view_host_factory_.reset(
       new TestRenderViewHostFactory(rph_factory_.get()));
 #endif  // OS_IOS
 }
 
 }  // namespace content