Remove a few unused functions.

webkit/plugins/ppapi/plugin_module.cc

 // 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.
 
 #include "webkit/plugins/ppapi/plugin_module.h"
 
 #include <set>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 128 matching lines @@
     DLOG(WARNING) << "AddRefResource()ing a nonexistent resource " << resource;
   }
 }
 
 void ReleaseResource(PP_Resource resource) {
   if (!ResourceTracker::Get()->UnrefResource(resource)) {
     DLOG(WARNING) << "ReleaseResource()ing a nonexistent resource " << resource;
   }
 }
 
-void* MemAlloc(uint32_t num_bytes) {
-  return malloc(num_bytes);
-}
-
-void MemFree(void* ptr) {
-  free(ptr);
-}
-
 PP_Time GetTime() {
   return TimeToPPTime(base::Time::Now());
 }
 
 PP_TimeTicks GetTickTime() {
   return TimeTicksToPPTimeTicks(base::TimeTicks::Now());
 }
 
 void CallOnMainThread(int delay_in_msec,
                       PP_CompletionCallback callback,
@@ skipping 427 matching lines @@
   int retval = entry_points.initialize_module(pp_module(), &GetInterface);
   if (retval != 0) {
     LOG(WARNING) << "PPP_InitializeModule returned failure " << retval;
     return false;
   }
   return true;
 }
 
 }  // namespace ppapi
 }  // namespace webkit