Revert 137540 - Disable off-store extension installs by default. Also get rid of ExtensionService::…

chrome/browser/extensions/extension_service.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_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 150 matching lines @@
   static const char* kLocalExtensionSettingsDirectoryName;
 
   // The name of the directory inside the profile where per-app synced settings
   // are stored.
   static const char* kSyncAppSettingsDirectoryName;
 
   // The name of the directory inside the profile where per-extension synced
   // settings are stored.
   static const char* kSyncExtensionSettingsDirectoryName;
 
+  // Determine if a given extension download should be treated as if it came
+  // from the gallery. Note that this is requires *both* that the download_url
+  // match and that the download was referred from a gallery page.
+  bool IsDownloadFromGallery(const GURL& download_url,
+                             const GURL& referrer_url);
+
   // Returns the Extension of hosted or packaged apps, NULL otherwise.
   const Extension* GetInstalledApp(const GURL& url);
 
   // Returns whether the URL is from either a hosted or packaged app.
   bool IsInstalledApp(const GURL& url);
 
   // Associates a renderer process with the given installed app.
   void SetInstalledAppForRenderer(int renderer_child_id, const Extension* app);
 
   // If the renderer is hosting an installed app, returns it, otherwise returns
@@ skipping 179 matching lines @@
   // Called only by testing.
   void ReloadExtensions();
 
   // Scan the extension directory and clean up the cruft.
   void GarbageCollectExtensions();
 
   // Notifies Sync (if needed) of a newly-installed extension or a change to
   // an existing extension.
   virtual void SyncExtensionChangeIfNeeded(const Extension& extension) OVERRIDE;
 
+  // The App that represents the web store.
+  const Extension* GetWebStoreApp();
+
   // Returns true if |url| should get extension api bindings and be permitted
   // to make api calls. Note that this is independent of what extension
   // permissions the given extension has been granted.
   bool ExtensionBindingsAllowed(const GURL& url);
 
   // Returns the icon to display in the omnibox for the given extension.
   const SkBitmap& GetOmniboxIcon(const std::string& extension_id);
 
   // Returns the icon to display in the omnibox popup window for the given
   // extension.
@@ skipping 457 matching lines @@
   scoped_ptr<ExtensionGlobalError> extension_global_error_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_