Attempt 3 at: Splits ChromeURLDataManager into 2 chunks:...

chrome/browser/dom_ui/downloads_dom_handler.cc

 // Copyright (c) 2009 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/dom_ui/downloads_dom_handler.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/singleton.h"
 #include "base/string_piece.h"
 #include "base/threading/thread.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_thread.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/dom_ui/fileicon_source.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_item.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/metrics/user_metrics.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/url_constants.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 
 namespace {
 
 // Maximum number of downloads to show. TODO(glen): Remove this and instead
 // stuff the downloads down the pipe slowly.
 static const int kMaxDownloads = 150;
 
 // Sort DownloadItems into descending order by their start time.
 class DownloadItemSorter : public std::binary_function<DownloadItem*,
                                                        DownloadItem*,
                                                        bool> {
  public:
   bool operator()(const DownloadItem* lhs, const DownloadItem* rhs) {
     return lhs->start_time() > rhs->start_time();
   }
 };
 
 }  // namespace
 
 DownloadsDOMHandler::DownloadsDOMHandler(DownloadManager* dlm)
     : search_text_(),
       download_manager_(dlm),
       callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   // Create our fileicon data source.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      NewRunnableMethod(
-          ChromeURLDataManager::GetInstance(),
-          &ChromeURLDataManager::AddDataSource,
-          make_scoped_refptr(new FileIconSource())));
+  dlm->profile()->GetChromeURLDataManager()->AddDataSource(
+      new FileIconSource());
 }
 
 DownloadsDOMHandler::~DownloadsDOMHandler() {
   ClearDownloadItems();
   download_manager_->RemoveObserver(this);
 }
 
 // DownloadsDOMHandler, public: -----------------------------------------------
 
 void DownloadsDOMHandler::Init() {
@@ skipping 173 matching lines @@
   return NULL;
 }
 
 DownloadItem* DownloadsDOMHandler::GetDownloadByValue(const ListValue* args) {
   int id;
   if (ExtractIntegerValue(args, &id)) {
     return GetDownloadById(id);
   }
   return NULL;
 }