Remove UnusedParam.h

Source/bindings/v8/V8GCController.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 80 matching lines @@
 
     return node;
 }
 
 // Regarding a minor GC algorithm for DOM nodes, see this document:
 // https://docs.google.com/a/google.com/presentation/d/1uifwVYGNYTZDoGLyCb7sXa7g49mWNMW2gaWvMN5NLk8/edit#slide=id.p
 class MinorGCWrapperVisitor : public v8::PersistentHandleVisitor {
 public:
     explicit MinorGCWrapperVisitor(v8::Isolate* isolate)
         : m_isolate(isolate)
-    {
-        UNUSED_PARAM(m_isolate);
-    }
+    { }
 
     virtual void VisitPersistentHandle(v8::Persistent<v8::Value>* value, uint16_t classId) OVERRIDE
     {
         // A minor DOM GC can collect only Nodes.
         if (classId != v8DOMNodeClassId)
             return;
 
         // To make minor GC cycle time bounded, we limit the number of wrappers handled
         // by each minor GC cycle to 10000. This value was selected so that the minor
         // GC cycle time is bounded to 20 ms in a case where the new space size
@@ skipping 151 matching lines @@
                 v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqueRootForGC(*it, m_isolate)));
                 m_isolate->SetReferenceFromGroup(id, *value);
             }
         } else {
             ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper);
             if (activeDOMObject && activeDOMObject->hasPendingActivity())
                 m_isolate->SetObjectGroupId(*value, liveRootId());
         }
 
         if (classId == v8DOMNodeClassId) {
-            UNUSED_PARAM(m_isolate);
             ASSERT(V8Node::hasInstanceInAnyWorld(*wrapper, m_isolate));
             ASSERT(!value->IsIndependent());
 
             Node* node = static_cast<Node*>(object);
 
             if (node->hasEventListeners())
                 addReferencesForNodeWithEventListeners(m_isolate, node, v8::Persistent<v8::Object>::Cast(*value));
             Node* root = V8GCController::opaqueRootForGC(node, m_isolate);
             m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<intptr_t>(root)));
             if (m_constructRetainedObjectInfos)
@@ skipping 130 matching lines @@
 {
     v8::HandleScope handleScope(isolate);
     v8::Local<v8::Context> context = v8::Context::New(isolate);
     if (context.IsEmpty())
         return;
     v8::Context::Scope contextScope(context);
     V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, "if (gc) gc();"), isolate);
 }
 
 }  // namespace WebCore