Make a copy of PageClassification enum outside the metrics code

chrome/browser/ui/omnibox/omnibox_edit_model.h

 // Copyright 2012 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_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 #define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "chrome/browser/autocomplete/autocomplete_controller_delegate.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/ui/omnibox/omnibox_controller.h"
-#include "chrome/common/metrics/proto/omnibox_event.pb.h"
 #include "chrome/common/omnibox_focus_state.h"
 #include "content/public/common/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
 
 class AutocompleteController;
 class AutocompleteResult;
 class OmniboxCurrentPageDelegate;
 class OmniboxEditController;
@@ skipping 353 matching lines @@
       size_t caret_position) const;
 
   // Checks if a given character is a valid space character for accepting
   // keyword.
   static bool IsSpaceCharForAcceptingKeyword(wchar_t c);
 
   // Classify the current page being viewed as, for example, the new tab
   // page or a normal web page.  Used for logging omnibox events for
   // UMA opted-in users.  Examines the user's profile to determine if the
   // current page is the user's home page.
-  metrics::OmniboxEventProto::PageClassification ClassifyPage() const;
+  AutocompleteInput::PageClassification ClassifyPage() const;
 
   // Sets |match| and |alternate_nav_url| based on classifying |text|.
   // |alternate_nav_url| may be NULL.
   void ClassifyStringForPasteAndGo(const string16& text,
                                    AutocompleteMatch* match,
                                    GURL* alternate_nav_url) const;
 
   // If focus_state_ does not match |state|, we update it and notify the
   // InstantController about the change (passing along the |reason| for the
   // change). If the caret visibility changes, we call ApplyCaretVisibility() on
@@ skipping 107 matching lines @@
   // an exact keyword match.  If this is true then keyword mode will be
   // triggered automatically if the input is "<keyword> <search string>".  We
   // allow this when CreatedKeywordSearchByInsertingSpaceInMiddle() is true.
   // This has no effect if we're already in keyword mode.
   bool allow_exact_keyword_match_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditModel);
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_