Revert 74292 - Splits ChromeURLDataManager into 2 chunks:...

chrome/browser/dom_ui/history2_ui.cc

Index: chrome/browser/dom_ui/history2_ui.cc
===================================================================
--- chrome/browser/dom_ui/history2_ui.cc	(revision 74293)
+++ chrome/browser/dom_ui/history2_ui.cc	(working copy)
@@ -129,9 +129,12 @@
 
 WebUIMessageHandler* BrowsingHistoryHandler2::Attach(DOMUI* dom_ui) {
   // Create our favicon data source.
-  Profile* profile = dom_ui->GetProfile();
-  profile->GetChromeURLDataManager()->AddDataSource(
-      new WebUIFavIconSource(profile));
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          ChromeURLDataManager::GetInstance(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(new WebUIFavIconSource(dom_ui->GetProfile()))));
 
   // Get notifications when history is cleared.
   registrar_.Add(this, NotificationType::HISTORY_URLS_DELETED,
@@ -397,7 +400,12 @@
   HistoryUIHTMLSource2* html_source = new HistoryUIHTMLSource2();
 
   // Set up the chrome://history2/ source.
-  contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source);
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          ChromeURLDataManager::GetInstance(),
+          &ChromeURLDataManager::AddDataSource,
+          make_scoped_refptr(html_source)));
 }
 
 // static