Add GetPluginPath() to npobject_util to avoid content/plugin/ include from npobject_stub.cc

content/common/npobject_util.h

 // Copyright (c) 2011 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.
 //
 // Helper functions that are used by the NPObject proxy and stub.
 
 #ifndef CONTENT_COMMON_NPOBJECT_UTIL_H_
 #define CONTENT_COMMON_NPOBJECT_UTIL_H_
 #pragma once
 
@@ skipping 13 matching lines @@
 struct NPIdentifier_Param;
 struct NPVariant_Param;
 
 typedef _NPVariant NPVariant;
 typedef void *NPIdentifier;
 
 // Needs to be called early in the plugin process lifetime, before any
 // plugin instances are initialized.
 void PatchNPNFunctions();
 
-// Returns true if the current process is a plugin process, or false if it's a
-// renderer process.
+// Returns true if the current process is a plugin process, or false otherwise.
 bool IsPluginProcess();
 
 // Creates an object similar to NPIdentifier that can be marshalled.
 void CreateNPIdentifierParam(NPIdentifier id, NPIdentifier_Param* param);
 
 // Creates an NPIdentifier from the marshalled object.
 NPIdentifier CreateNPIdentifier(const  NPIdentifier_Param& param);
 
 // Creates an object similar to NPVariant that can be marshalled.
 // If the containing NPObject happens to be an NPObject, then a stub
@@ skipping 18 matching lines @@
 #if defined(OS_WIN)
 // Given a plugin's HWND, returns an event associated with the TabContents
 // that's set when inside a messagebox.  This tells the plugin process that
 // the message queue should be pumped (as what would happen if everything was
 // in-process).  This avoids deadlocks when a plugin invokes javascript that
 // causes a message box to come up.
 HANDLE GetMessageBoxEvent(HWND hwnd);
 #endif  // defined(OS_WIN)
 
 #endif  // CONTENT_COMMON_NPOBJECT_UTIL_H_