Set file tokens for NaCl main nexe if available to enable validation caching.

components/nacl/browser/nacl_browser.h

 // Copyright 2013 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.
 
 #ifndef COMPONENTS_NACL_BROWSER_NACL_BROWSER_H_
 #define COMPONENTS_NACL_BROWSER_NACL_BROWSER_H_
 
 #include <deque>
 
 #include "base/bind.h"
@@ skipping 56 matching lines @@
   // port listener, Chrome will allocate a currently-unused TCP port number for
   // debug stub server instead of a fixed one.
 
   // Notify listener that new debug stub TCP port is allocated.
   void SetProcessGdbDebugStubPort(int process_id, int port);
   void SetGdbDebugStubPortListener(base::Callback<void(int)> listener);
   void ClearGdbDebugStubPortListener();
 
   int GetProcessGdbDebugStubPort(int process_id);
 
+  enum ValidationCacheStatus {
+    CACHE_MISS = 0,
+    CACHE_HIT,
+    CACHE_MAX
+  };
+
   bool ValidationCacheIsEnabled() const {
     return validation_cache_is_enabled_;
   }
 
   const std::string& GetValidationCacheKey() const {
     return validation_cache_.GetValidationCacheKey();
   }
 
   // The NaCl singleton keeps information about NaCl executable files opened via
   // PPAPI.  This allows the NaCl process to get trusted information about the
@@ skipping 105 matching lines @@
   scoped_ptr<NaClBrowserDelegate> browser_delegate_;
 
   std::deque<base::Time> crash_times_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClBrowser);
 };
 
 } // namespace nacl
 
 #endif  // COMPONENTS_NACL_BROWSER_NACL_BROWSER_H_