Fix up some types in the API.

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/message_loop.h"
@@ skipping 120 matching lines @@
     DLOG(WARNING) << "AddRefResource()ing a nonexistent resource";
   }
 }
 
 void ReleaseResource(PP_Resource resource) {
   if (!ResourceTracker::Get()->UnrefResource(resource)) {
     DLOG(WARNING) << "ReleaseResource()ing a nonexistent resource";
   }
 }
 
-void* MemAlloc(size_t num_bytes) {
+void* MemAlloc(uint32_t num_bytes) {
   return malloc(num_bytes);
 }
 
-void MemFree(void* ptr) {
-  free(ptr);
+void MemFree(const void* ptr) {
+  free(const_cast<void*>(ptr));
 }
 
 double GetTime() {
   return base::Time::Now().ToDoubleT();
 }
 
 double GetTickTime() {
   // TODO(brettw) http://code.google.com/p/chromium/issues/detail?id=57448
   // This should be a tick timer rather than wall clock time, but needs to
   // match message times, which also currently use wall clock time.
@@ skipping 371 matching lines @@
   if (retval != 0) {
     LOG(WARNING) << "PPP_InitializeModule returned failure " << retval;
     return false;
   }
   return true;
 }
 
 }  // namespace ppapi
 }  // namespace webkit