Add BrowserContext::GetQuotaManagerForRenderProcess for the isolated app feature.

content/public/browser/browser_context.h

Index: content/public/browser/browser_context.h
===================================================================
--- content/public/browser/browser_context.h	(revision 150659)
+++ content/public/browser/browser_context.h	(working copy)
@@ -48,16 +48,25 @@
 class CONTENT_EXPORT BrowserContext : public base::SupportsUserData {
  public:
   static DownloadManager* GetDownloadManager(BrowserContext* browser_context);
-  static quota::QuotaManager* GetQuotaManager(BrowserContext* browser_context);
+
+  static quota::QuotaManager* GetDefaultQuotaManager(
+      BrowserContext* browser_context);
+  static quota::QuotaManager* GetQuotaManagerForRenderProcess(
+      BrowserContext* browser_context, int renderer_child_id);
+
   static DOMStorageContext* GetDefaultDOMStorageContext(
       BrowserContext* browser_context);
   static DOMStorageContext* GetDOMStorageContext(
       BrowserContext* browser_context, int renderer_child_id);
+
   static IndexedDBContext* GetIndexedDBContext(BrowserContext* browser_context);
+
   static webkit_database::DatabaseTracker* GetDatabaseTracker(
       BrowserContext* browser_context);
+
   static appcache::AppCacheService* GetAppCacheService(
       BrowserContext* browser_context);
+
   static fileapi::FileSystemContext* GetFileSystemContext(
       BrowserContext* browser_context);