Handle interface to prerenders.

chrome/browser/autocomplete/autocomplete_edit.h

 // Copyright (c) 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_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
@@ skipping 15 matching lines @@
 class InstantController;
 class OmniboxView;
 class Profile;
 class SkBitmap;
 class TabContents;
 
 namespace gfx {
 class Rect;
 }
 
+namespace predictors {
+class AutocompleteActionPredictor;
+}
+
 // TODO(pkasting): The names and contents of the classes in
 // this file are temporary.  I am in hack-and-slash mode right now.
 // http://code.google.com/p/chromium/issues/detail?id=6772
 
 // Embedders of an AutocompleteEdit widget must implement this class.
 class AutocompleteEditController {
  public:
   // When the user presses enter or selects a line with the mouse, this
   // function will get called synchronously with the url to open and
   // disposition and transition to use when opening it.
@@ skipping 383 matching lines @@
   bool CreatedKeywordSearchByInsertingSpaceInMiddle(
       const string16& old_text,
       const string16& new_text,
       size_t caret_position) const;
 
   // Tries to start an instant preview for |match|. Returns true if instant
   // processed the match.
   bool DoInstant(const AutocompleteMatch& match, string16* suggested_text);
 
   // Starts a prerender for the given |match|.
-  void DoPrerender(const AutocompleteMatch& match);
+  void DoPrerender(predictors::AutocompleteActionPredictor* action_predictor,

[dominich, 2012/06/18 15:32:44]

i'd prefer this wasn't passed down. I know it saves a lookup from the profile
but that isn't that expensive, and this adds a (weak) dependency on the
predictor namespace to the header that is unnecessary.

[gavinp, 2012/06/18 16:40:48]

Done.

+                   const AutocompleteMatch& match);
 
   // Starts a DNS prefetch for the given |match|.
   void DoPreconnect(const AutocompleteMatch& match);
 
   // 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
@@ skipping 114 matching lines @@
   // This has no effect if we're already in keyword mode.
   bool allow_exact_keyword_match_;
 
   // Last value of InstantCompleteBehavior supplied to |SetSuggestedText|.
   InstantCompleteBehavior instant_complete_behavior_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditModel);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_