Attempt 3 at: 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 74394)
+++ chrome/browser/dom_ui/history2_ui.cc	(working copy)
@@ -129,12 +129,9 @@
 
 WebUIMessageHandler* BrowsingHistoryHandler2::Attach(DOMUI* dom_ui) {
   // Create our favicon data source.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      NewRunnableMethod(
-          ChromeURLDataManager::GetInstance(),
-          &ChromeURLDataManager::AddDataSource,
-          make_scoped_refptr(new WebUIFavIconSource(dom_ui->GetProfile()))));
+  Profile* profile = dom_ui->GetProfile();
+  profile->GetChromeURLDataManager()->AddDataSource(
+      new WebUIFavIconSource(profile));
 
   // Get notifications when history is cleared.
   registrar_.Add(this, NotificationType::HISTORY_URLS_DELETED,
@@ -400,12 +397,7 @@
   HistoryUIHTMLSource2* html_source = new HistoryUIHTMLSource2();
 
   // Set up the chrome://history2/ source.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      NewRunnableMethod(
-          ChromeURLDataManager::GetInstance(),
-          &ChromeURLDataManager::AddDataSource,
-          make_scoped_refptr(html_source)));
+  contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source);
 }
 
 // static