Oilpan: Prepare moving InspectorController and InspectorAgents to oilpan.

Source/core/inspector/InspectorPageAgent.cpp

Index: Source/core/inspector/InspectorPageAgent.cpp
diff --git a/Source/core/inspector/InspectorPageAgent.cpp b/Source/core/inspector/InspectorPageAgent.cpp
index 49d2fb7afc980b926cdb1338848977769cdaf5fb..6846400cbc33b87ef3ee5fee1b9b77ae38bc09e9 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -242,9 +242,9 @@ bool InspectorPageAgent::dataContent(const char* data, unsigned size, const Stri
     return decodeBuffer(data, size, textEncodingName, result);
 }
 
-PassOwnPtr<InspectorPageAgent> InspectorPageAgent::create(Page* page, InjectedScriptManager* injectedScriptManager, InspectorClient* client, InspectorOverlay* overlay)
+PassOwnPtrWillBeRawPtr<InspectorPageAgent> InspectorPageAgent::create(Page* page, InjectedScriptManager* injectedScriptManager, InspectorClient* client, InspectorOverlay* overlay)
 {
-    return adoptPtr(new InspectorPageAgent(page, injectedScriptManager, client, overlay));
+    return adoptPtrWillBeNoop(new InspectorPageAgent(page, injectedScriptManager, client, overlay));
 }
 
 // static
@@ -1275,5 +1275,11 @@ void InspectorPageAgent::setShowViewportSizeOnResize(ErrorString*, bool show, co
     m_state->setBoolean(PageAgentState::showGridOnResize, showGrid && *showGrid);
 }
 
+void InspectorPageAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_page);
+    InspectorBaseAgent::trace(visitor);
+}
+
 } // namespace WebCore