Move more code from headers to implementation.

ppapi/proxy/plugin_var_tracker.cc

 // Copyright (c) 2010 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 "ppapi/proxy/plugin_var_tracker.h"
 
 #include "base/ref_counted.h"
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 24 matching lines @@
 RefCountedString* PluginStringFromID(int64 id) {
   return reinterpret_cast<RefCountedString*>(static_cast<intptr_t>(id));
 }
 
 }  // namespace
 
 PluginVarTracker::PluginVarTracker(PluginDispatcher* dispatcher)
     : dispatcher_(dispatcher) {
 }
 
+PluginVarTracker::~PluginVarTracker() {}
+
 int64 PluginVarTracker::MakeString(const std::string& str) {
   RefCountedString* out = new RefCountedString(str);
   out->AddRef();
   return static_cast<int64>(reinterpret_cast<intptr_t>(out));
 }
 
 std::string PluginVarTracker::GetString(const PP_Var& var) const {
   return PluginStringFromID(var.value.as_id)->value();
 }
 
@@ skipping 64 matching lines @@
       INTERFACE_ID_PPB_VAR_DEPRECATED, id));
 }
 
 void PluginVarTracker::SendReleaseObjectMsg(int64_t id) {
   dispatcher_->Send(new PpapiHostMsg_PPBVar_ReleaseObject(
       INTERFACE_ID_PPB_VAR_DEPRECATED, id));
 }
 
 }  // namesace proxy
 }  // namespace pp