Move ExtensionService::GetExtensionById() to ExtensionRegistry

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index f8a7bba4630b4313ace839320d01b7107065b9fc..432c81390f91aff3323ef069e74d97106b774a47 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -227,23 +227,6 @@ class ExtensionService
   virtual const extensions::Extension* GetExtensionById(
       const std::string& id, bool include_disabled) const OVERRIDE;
 
-  enum IncludeFlag {
-    INCLUDE_NONE        = 0,
-    INCLUDE_ENABLED     = 1 << 0,
-    INCLUDE_DISABLED    = 1 << 1,
-    INCLUDE_TERMINATED  = 1 << 2,
-    INCLUDE_BLACKLISTED = 1 << 3,
-    INCLUDE_EVERYTHING = (1 << 4) - 1,
-  };
-
-  // Look up an extension by ID, selecting which sets to look in:
-  //  * extensions()             --> INCLUDE_ENABLED
-  //  * disabled_extensions()    --> INCLUDE_DISABLED
-  //  * terminated_extensions()  --> INCLUDE_TERMINATED
-  //  * blacklisted_extensions() --> INCLUDE_BLACKLISTED
-  const extensions::Extension* GetExtensionById(const std::string& id,
-                                                int include_mask) const;
-
   // Returns the site of the given |extension_id|. Suitable for use with
   // BrowserContext::GetStoragePartitionForSite().
   GURL GetSiteForExtensionId(const std::string& extension_id);
@@ -437,6 +420,9 @@ class ExtensionService
 
   Profile* profile();
 
+  // Returns profile_ as a BrowserContext.
+  content::BrowserContext* GetBrowserContext() const;
+
   // TODO(skerner): Change to const ExtensionPrefs& extension_prefs() const,
   // ExtensionPrefs* mutable_extension_prefs().
   extensions::ExtensionPrefs* extension_prefs();