Have AppCache code go through the content embedder API for content settings checks.

chrome/browser/profiles/profile_impl_io_data.cc

 // Copyright (c) 2011 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/profiles/profile_impl_io_data.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
@@ skipping 58 matching lines @@
 
   io_data_->lazy_params_.reset(lazy_params);
 
   // Keep track of isolated app path separately so we can use it on demand.
   io_data_->app_path_ = app_path;
 }
 
 const content::ResourceContext&
 ProfileImplIOData::Handle::GetResourceContext() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  LazyInitialize();
+  // Don't call LazyInitialize here, since the resource context is created at
+  // the beginning of initalization and is used by some members while they're
+  // being initialized (i.e. AppCacheService).
   return io_data_->GetResourceContext();
 }
 
 scoped_refptr<ChromeURLRequestContextGetter>
 ProfileImplIOData::Handle::GetMainRequestContextGetter() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   LazyInitialize();
   if (!main_request_context_getter_) {
     main_request_context_getter_ =
         ChromeURLRequestContextGetter::CreateOriginal(
@@ skipping 277 matching lines @@
 ProfileImplIOData::AcquireIsolatedAppRequestContext(
     scoped_refptr<ChromeURLRequestContext> main_context,
     const std::string& app_id) const {
   // We create per-app contexts on demand, unlike the others above.
   scoped_refptr<RequestContext> app_request_context =
       InitializeAppRequestContext(main_context, app_id);
   DCHECK(app_request_context);
   app_request_context->set_profile_io_data(this);
   return app_request_context;
 }