Tweaks to copy/paste of omnibox on windows:

chrome/browser/autocomplete/autocomplete_edit.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/page_transition_types.h"
@@ skipping 129 matching lines @@
   AutocompleteMatch::Type CurrentTextType() const;
 
   // Returns true if |text| (which is display text in the current context)
   // parses as a URL, and in that case sets |url| to the calculated URL.
   // Subtle note: This ignores the desired_tld_ (unlike GetDataForURLExport()
   // and CurrentTextIsURL()).  The view needs this because it calls this
   // function during copy handling, when the control key is down to trigger the
   // copy.
   bool GetURLForText(const std::wstring& text, GURL* url) const;
 
+  // Invoked to adjust the text before writting to the clipboard for a copy
+  // (e.g. by adding 'http' to the front). |sel_start| gives the start of the
+  // selection. |text| is the currently selected text. If |is_all_selected| is
+  // true all the text in the edit is selected. If the url should be copied to
+  // the clipboard |write_url| is set to true and |url| set to the url to write.
+  void AdjustTextForCopy(int sel_start,
+                         bool is_all_selected,
+                         std::wstring* text,
+                         GURL* url,
+                         bool* write_url);
+
   bool user_input_in_progress() const { return user_input_in_progress_; }
 
   // Sets the state of user_input_in_progress_, and notifies the observer if
   // that state has changed.
   void SetInputInProgress(bool in_progress);
 
   // Updates permanent_text_ to |new_permanent_text|.  Returns true if this
   // change should be immediately user-visible, because either the user is not
   // editing or the edit does not have focus.
   bool UpdatePermanentText(const std::wstring& new_permanent_text);
@@ skipping 265 matching lines @@
   mutable GURL paste_and_go_url_;
   mutable PageTransition::Type paste_and_go_transition_;
   mutable GURL paste_and_go_alternate_nav_url_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditModel);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_