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 e19034109d7f28dde9572b38e7bd4259c6223ba7..6bd3654c8502f103b592415404c539d2e2101d0f 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -243,9 +243,9 @@ 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
@@ -1289,5 +1289,11 @@ 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