Add StoragePartition's ProtocolHandlers at URLRequestContext construction time.

content/public/browser/browser_context.h

Index: content/public/browser/browser_context.h
diff --git a/content/public/browser/browser_context.h b/content/public/browser/browser_context.h
index 1bd59494fab136fc152719a5770d5bdba0df62ba..a20bfb1213353d5d52e62516304357027d8b1b64 100644
--- a/content/public/browser/browser_context.h
+++ b/content/public/browser/browser_context.h
@@ -113,10 +113,6 @@ class CONTENT_EXPORT BrowserContext : public base::SupportsUserData {
   virtual net::URLRequestContextGetter* GetRequestContextForRenderProcess(
       int renderer_child_id) = 0;
 
-  virtual net::URLRequestContextGetter* GetRequestContextForStoragePartition(
-      const FilePath& partition_path,
-      bool in_memory) = 0;
-
   // Returns the default request context for media resources associated with
   // this context.
   // TODO(creis): Remove this version in favor of the one below.