Revert 227318 "Clean up ResourceHandler API."

content/browser/loader/resource_loader_unittest.cc

Index: content/browser/loader/resource_loader_unittest.cc
===================================================================
--- content/browser/loader/resource_loader_unittest.cc	(revision 227594)
+++ content/browser/loader/resource_loader_unittest.cc	(working copy)
@@ -66,8 +66,6 @@
 // initialize ResourceLoader.
 class ResourceHandlerStub : public ResourceHandler {
  public:
-  ResourceHandlerStub() : ResourceHandler(NULL) {}
-
   virtual bool OnUploadProgress(int request_id,
                                 uint64 position,
                                 uint64 size) OVERRIDE {
@@ -92,7 +90,7 @@
   }
 
   virtual bool OnWillRead(int request_id,
-                          scoped_refptr<net::IOBuffer>* buf,
+                          net::IOBuffer** buf,
                           int* buf_size,
                           int min_size) OVERRIDE {
     return true;