Move core url data manager classes to content.

chrome/browser/ui/webui/shared_resources_data_source.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 "chrome/browser/ui/webui/shared_resources_data_source.h"
-
-#include "base/logging.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/threading/thread_restrictions.h"
-#include "content/public/common/content_client.h"
-#include "content/public/common/url_constants.h"
-#include "grit/webui_resources_map.h"
-#include "net/base/mime_util.h"
-
-namespace {
-
-int PathToIDR(const std::string& path) {
-  int idr = -1;
-  for (size_t i = 0; i < kWebuiResourcesSize; ++i) {
-    if (kWebuiResources[i].name == path) {
-      idr = kWebuiResources[i].value;
-      break;
-    }
-  }
-
-  return idr;
-}
-
-}  // namespace
-
-SharedResourcesDataSource::SharedResourcesDataSource() {
-}
-
-SharedResourcesDataSource::~SharedResourcesDataSource() {
-}
-
-std::string SharedResourcesDataSource::GetSource() {
-  return chrome::kChromeUIResourcesHost;
-}
-
-void SharedResourcesDataSource::StartDataRequest(
-    const std::string& path,
-    bool is_incognito,
-    const content::URLDataSource::GotDataCallback& callback) {
-  int idr = PathToIDR(path);
-  DCHECK_NE(-1, idr) << " path: " << path;
-  scoped_refptr<base::RefCountedStaticMemory> bytes(
-      content::GetContentClient()->GetDataResourceBytes(idr));
-
-  callback.Run(bytes);
-}
-
-std::string SharedResourcesDataSource::GetMimeType(
-    const std::string& path) const {
-  // Requests should not block on the disk!  On POSIX this goes to disk.
-  // http://code.google.com/p/chromium/issues/detail?id=59849
-
-  base::ThreadRestrictions::ScopedAllowIO allow_io;
-  std::string mime_type;
-  net::GetMimeTypeFromFile(FilePath().AppendASCII(path), &mime_type);
-  return mime_type;
-}