Oilpan: fix build after r195134.

Source/core/inspector/PerIsolateDebuggerClient.cpp

 // Copyright 2014 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 "config.h"
 #include "core/inspector/PerIsolateDebuggerClient.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebData.h"
 
 namespace blink {
 
-PerIsolateDebuggerClient::PerIsolateDebuggerClient(v8::Isolate* isolate, PassOwnPtr<ScriptDebugServer> scriptDebugServer)
+PerIsolateDebuggerClient::PerIsolateDebuggerClient(v8::Isolate* isolate, PassOwnPtrWillBeRawPtr<ScriptDebugServer> scriptDebugServer)
     : m_isolate(isolate)
     , m_scriptDebugServer(scriptDebugServer)
 {
 }
 
 PerIsolateDebuggerClient::~PerIsolateDebuggerClient()
 {
 }
 
+DEFINE_TRACE(PerIsolateDebuggerClient)
+{
+    visitor->trace(m_scriptDebugServer);
+    ScriptDebugServer::Client::trace(visitor);
+}
+
 v8::Local<v8::Object> PerIsolateDebuggerClient::compileDebuggerScript()
 {
     const WebData& debuggerScriptSourceResource = Platform::current()->loadResource("DebuggerScriptSource.js");
     v8::Local<v8::String> source = v8String(m_isolate, String(debuggerScriptSourceResource.data(), debuggerScriptSourceResource.size()));
     v8::Local<v8::Value> value;
     if (!V8ScriptRunner::compileAndRunInternalScript(source, m_isolate).ToLocal(&value))
         return v8::Local<v8::Object>();
     ASSERT(value->IsObject());
     return value.As<v8::Object>();
 }
 
 }