Create CoreTabHelper, move remaining core TCW functionality into it.

chrome/browser/ui/views/hung_renderer_view.cc

Index: chrome/browser/ui/views/hung_renderer_view.cc
diff --git a/chrome/browser/ui/views/hung_renderer_view.cc b/chrome/browser/ui/views/hung_renderer_view.cc
index d70025640d0c998562dd2df68f43a333fa607abc..0c78d03dec545eb91bdbeddf89431cdce53d87f5 100644
--- a/chrome/browser/ui/views/hung_renderer_view.cc
+++ b/chrome/browser/ui/views/hung_renderer_view.cc
@@ -9,6 +9,7 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/logging_chrome.h"
@@ -165,7 +166,7 @@ string16 HungPagesTableModel::GetText(int row, int column_id) {
   DCHECK(row >= 0 && row < RowCount());
   string16 title = tab_observers_[row]->tab_contents()->GetTitle();
   if (title.empty())
-    title = TabContentsWrapper::GetDefaultTitle();
+    title = CoreTabHelper::GetDefaultTitle();
   // TODO(xji): Consider adding a special case if the title text is a URL,
   // since those should always have LTR directionality. Please refer to
   // http://crbug.com/6726 for more information.