Create CoreTabHelper, move remaining core TCW functionality into it.

chrome/browser/ui/tab_contents/core_tab_helper_delegate.h

Index: chrome/browser/ui/tab_contents/core_tab_helper_delegate.h
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h b/chrome/browser/ui/tab_contents/core_tab_helper_delegate.h
similarity index 52%
rename from chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h
rename to chrome/browser/ui/tab_contents/core_tab_helper_delegate.h
index 86924d22479aeaf0561c4418ad0c7baea1643d56..1ff76df08e82b50eceaeca51ba393e7222695843 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h
+++ b/chrome/browser/ui/tab_contents/core_tab_helper_delegate.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_
-#define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_
+#ifndef CHROME_BROWSER_UI_TAB_CONTENTS_CORE_TAB_HELPER_DELEGATE_H_
+#define CHROME_BROWSER_UI_TAB_CONTENTS_CORE_TAB_HELPER_DELEGATE_H_
 #pragma once
 
 #include "base/basictypes.h"
@@ -12,13 +12,17 @@ class TabContentsWrapper;
 
 // Objects implement this interface to get notified about changes in the
 // TabContentsWrapper and to provide necessary functionality.
-class TabContentsWrapperDelegate {
+//
+// This is considered part of the TabContentsWrapper "core" interface. If a
+// piece of code interacts with TabContentWrappers, it is guaranteed that it
+// will need to handle all of these callbacks.
+class CoreTabHelperDelegate {
  public:
   virtual void SwapTabContents(TabContentsWrapper* old_tc,
                                TabContentsWrapper* new_tc) = 0;
 
  protected:
-  virtual ~TabContentsWrapperDelegate();
+  virtual ~CoreTabHelperDelegate();
 };
 
-#endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_DELEGATE_H_
+#endif  // CHROME_BROWSER_UI_TAB_CONTENTS_CORE_TAB_HELPER_DELEGATE_H_