Revert of PPAPI: Make GetProxiedInterface not re-enter the plugin

ppapi/proxy/ppapi_proxy_test.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.
 
 #include <map>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 58 matching lines @@
   // RegisterTestInterface();
   const void* GetInterface(const char* name);
 
   // Allows the test to specify an interface implementation for a given
   // interface name. This will be returned when any of the proxy logic
   // requests a local interface.
   void RegisterTestInterface(const char* name, const void* test_interface);
 
   // Sends a "supports interface" message to the current dispatcher and returns
   // true if it's supported. This is just for the convenience of tests.
-  bool IsInterfaceSupported(const char* name);
+  bool SupportsInterface(const char* name);
 
  private:
   // Destination for IPC messages sent by the test.
   ResourceMessageTestSink sink_;
 
   // The module and instance ID associated with the plugin dispatcher.
   PP_Module pp_module_;
   PP_Instance pp_instance_;
 
   // Stores the data for GetInterface/RegisterTestInterface.
@@ skipping 269 matching lines @@
 //   EXPECT_VAR_IS_STRING("foo", my_var);
 #define EXPECT_VAR_IS_STRING(str, var) { \
   StringVar* sv = StringVar::FromPPVar(var); \
   EXPECT_TRUE(sv); \
   if (sv) \
     EXPECT_EQ(str, sv->value()); \
 }
 
 }  // namespace proxy
 }  // namespace ppapi