Preload Instant search when omnibox is focused.

chrome/browser/instant/instant_loader_manager.h

 // Copyright (c) 2011 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_INSTANT_INSTANT_LOADER_MANAGER_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_LOADER_MANAGER_H_
 #pragma once
 
 #include <map>
 
@@ skipping 47 matching lines @@
 
   // Destroys the specified loader.
   void DestroyLoader(InstantLoader* loader);
 
   // Removes references to loader.
   InstantLoader* ReleaseLoader(InstantLoader* loader);
 
   // If |loader| is in |instant_loaders_| it is removed.
   void RemoveLoaderFromInstant(InstantLoader* loader);
 
+  // Returns the loader for loading instant results with the specified id. If
+  // there is no loader for the specified id a new one is created.
+  InstantLoader* GetInstantLoader(TemplateURLID id);
+
   // Returns the current loader, may be null.
   InstantLoader* current_loader() const { return current_loader_; }
 
   // Returns the pending loader, may be null.
   InstantLoader* pending_loader() const { return pending_loader_; }
 
   // The active loader is the loader that should be used for new loads. It is
   // either the pending loader or the current loader.
   InstantLoader* active_loader() const {
     return pending_loader_ ? pending_loader_ : current_loader_;
   }
 
   // Returns the number of instant loaders.
   // This is exposed for tests.
   size_t num_instant_loaders() const { return instant_loaders_.size(); }
 
  private:
   typedef std::map<TemplateURLID, InstantLoader*> Loaders;
 
   // Creates a loader and if |id| is non-zero registers it in instant_loaders_.
   InstantLoader* CreateLoader(TemplateURLID id);
 
-  // Returns the loader for loading instant results with the specified id. If
-  // there is no loader for the specified id a new one is created.
-  InstantLoader* GetInstantLoader(TemplateURLID id);
-
   InstantLoaderDelegate* loader_delegate_;
 
   // The current loader.
   InstantLoader* current_loader_;
 
   // Loader we want to use as soon as ready. This is only non-null if
   // current_loader_ is ready and Update is invoked with a different template
   // url id.
   InstantLoader* pending_loader_;
 
   // Maps for template url id to loader used for that template url id.
   Loaders instant_loaders_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantLoaderManager);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_LOADER_MANAGER_H_