Remove all uses of the global Dispatcher Get function.

ppapi/proxy/plugin_var_serialization_rules.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 "ppapi/proxy/plugin_var_serialization_rules.h"
 
+#include "base/logging.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 
 namespace pp {
 namespace proxy {
 
 PluginVarSerializationRules::PluginVarSerializationRules()
     : var_tracker_(PluginVarTracker::GetInstance()) {
 }
 
@@ skipping 18 matching lines @@
     const std::string* str_val,
     Dispatcher* dispatcher) {
   if (var.type == PP_VARTYPE_STRING) {
     // Convert the string to the context of the current process.
     PP_Var ret;
     ret.type = PP_VARTYPE_STRING;
     ret.value.as_id = var_tracker_->MakeString(*str_val);
     return ret;
   }
 
-  if (var.type == PP_VARTYPE_OBJECT)
-    return var_tracker_->TrackObjectWithNoReference(var, dispatcher);
+  if (var.type == PP_VARTYPE_OBJECT) {
+    DCHECK(dispatcher->IsPlugin());
+    return var_tracker_->TrackObjectWithNoReference(
+        var, static_cast<PluginDispatcher*>(dispatcher));
+  }
 
   return var;
 }
 
 void PluginVarSerializationRules::EndReceiveCallerOwned(const PP_Var& var) {
   if (var.type == PP_VARTYPE_STRING) {
     // Destroy the string BeginReceiveCallerOwned created above.
     var_tracker_->Release(var);
   } else if (var.type == PP_VARTYPE_OBJECT) {
     var_tracker_->StopTrackingObjectWithNoReference(var);
@@ skipping 21 matching lines @@
   // Browser calls EndSendPassRef     4        1            1        1
   //
   // In example 1 before the send, the plugin has 3 refs which are represented
   // as one ref in the browser (since the plugin only tells the browser when
   // it's refcount goes from 1 -> 0). The initial state is that the browser
   // plugin code started to return a value, which means it gets another ref
   // on behalf of the caller. This needs to be transferred to the plugin and
   // folded in to its set of refs it maintains (with one ref representing all
   // fo them in the browser).
   if (var.type == PP_VARTYPE_OBJECT) {
-    return var_tracker_->ReceiveObjectPassRef(var, dispatcher);
+    DCHECK(dispatcher->IsPlugin());
+    return var_tracker_->ReceiveObjectPassRef(
+        var, static_cast<PluginDispatcher*>(dispatcher));
   }
 
   // Other types are unchanged.
   return var;
 }
 
 PP_Var PluginVarSerializationRules::BeginSendPassRef(const PP_Var& var,
                                                      std::string* str_val) {
   // Overview of sending an object with "pass ref" from the plugin to the
   // browser:
@@ skipping 18 matching lines @@
     *str_val = var_tracker_->GetString(var);
   return var;
 }
 
 void PluginVarSerializationRules::EndSendPassRef(const PP_Var& var,
                                                  Dispatcher* dispatcher) {
   // See BeginSendPassRef for an example of why we release our ref here.
   // The var we have in our inner class has been converted to a host object
   // by BeginSendPassRef. This means it's not a normal var valid in the plugin,
   // so we need to use the special ReleaseHostObject.
-  if (var.type == PP_VARTYPE_OBJECT)
-    var_tracker_->ReleaseHostObject(dispatcher, var);
+  if (var.type == PP_VARTYPE_OBJECT) {
+    var_tracker_->ReleaseHostObject(
+        static_cast<PluginDispatcher*>(dispatcher), var);
+  }
 }
 
 void PluginVarSerializationRules::ReleaseObjectRef(const PP_Var& var) {
   var_tracker_->Release(var);
 }
 
 }  // namespace proxy
 }  // namespace pp