Create CoreTabHelper, move remaining core TCW functionality into it.

chrome/browser/ui/views/tabs/base_tab.cc

Index: chrome/browser/ui/views/tabs/base_tab.cc
diff --git a/chrome/browser/ui/views/tabs/base_tab.cc b/chrome/browser/ui/views/tabs/base_tab.cc
index e3ccac664acc6cd9bbf9db82015205eba0a07617..daeb1750eab0156a53bbc332a2d710347e678abe 100644
--- a/chrome/browser/ui/views/tabs/base_tab.cc
+++ b/chrome/browser/ui/views/tabs/base_tab.cc
@@ -10,7 +10,7 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/tab_controller.h"
 #include "chrome/common/chrome_switches.h"
@@ -477,7 +477,7 @@ void BaseTab::PaintTitle(gfx::Canvas* canvas, SkColor title_color) {
   if (title.empty()) {
     title = data().loading ?
         l10n_util::GetStringUTF16(IDS_TAB_LOADING_TITLE) :
-        TabContentsWrapper::GetDefaultTitle();
+        CoreTabHelper::GetDefaultTitle();
   } else {
     Browser::FormatTitleForDisplay(&title);
   }