Improve DEFINE_STATIC_LOCAL()'s handling of Blink GCed objects.

third_party/WebKit/Source/web/InspectorOverlay.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 450 matching lines @@
         evaluateInOverlay("drawViewSize", "");
 }
 
 Page* InspectorOverlay::overlayPage()
 {
     if (m_overlayPage)
         return m_overlayPage.get();
 
     ScriptForbiddenScope::AllowUserAgentScript allowScript;
 
-    DEFINE_STATIC_LOCAL(Persistent<FrameLoaderClient>, dummyFrameLoaderClient, (EmptyFrameLoaderClient::create()));
+    DEFINE_STATIC_LOCAL(FrameLoaderClient, dummyFrameLoaderClient, (EmptyFrameLoaderClient::create()));
     Page::PageClients pageClients;
     fillWithEmptyClients(pageClients);
     DCHECK(!m_overlayChromeClient);
     m_overlayChromeClient = InspectorOverlayChromeClient::create(m_webViewImpl->page()->chromeClient(), *this);
     pageClients.chromeClient = m_overlayChromeClient.get();
     m_overlayPage = Page::create(pageClients);
 
     Settings& settings = m_webViewImpl->page()->settings();
     Settings& overlaySettings = m_overlayPage->settings();
 
     overlaySettings.genericFontFamilySettings().updateStandard(settings.genericFontFamilySettings().standard());
     overlaySettings.genericFontFamilySettings().updateSerif(settings.genericFontFamilySettings().serif());
     overlaySettings.genericFontFamilySettings().updateSansSerif(settings.genericFontFamilySettings().sansSerif());
     overlaySettings.genericFontFamilySettings().updateCursive(settings.genericFontFamilySettings().cursive());
     overlaySettings.genericFontFamilySettings().updateFantasy(settings.genericFontFamilySettings().fantasy());
     overlaySettings.genericFontFamilySettings().updatePictograph(settings.genericFontFamilySettings().pictograph());
     overlaySettings.setMinimumFontSize(settings.minimumFontSize());
     overlaySettings.setMinimumLogicalFontSize(settings.minimumLogicalFontSize());
     overlaySettings.setScriptEnabled(true);
     overlaySettings.setPluginsEnabled(false);
     overlaySettings.setLoadsImagesAutomatically(true);
     // FIXME: http://crbug.com/363843. Inspector should probably create its
     // own graphics layers and attach them to the tree rather than going
     // through some non-composited paint function.
     overlaySettings.setAcceleratedCompositingEnabled(false);
 
-    RawPtr<LocalFrame> frame = LocalFrame::create(dummyFrameLoaderClient.get(), &m_overlayPage->frameHost(), 0);
+    RawPtr<LocalFrame> frame = LocalFrame::create(&dummyFrameLoaderClient, &m_overlayPage->frameHost(), 0);
     frame->setView(FrameView::create(frame.get()));
     frame->init();
     FrameLoader& loader = frame->loader();
     frame->view()->setCanHaveScrollbars(false);
     frame->view()->setTransparent(true);
 
     const WebData& overlayPageHTMLResource = Platform::current()->loadResource("InspectorOverlayPage.html");
     RefPtr<SharedBuffer> data = SharedBuffer::create(overlayPageHTMLResource.data(), overlayPageHTMLResource.size());
     loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data, "text/html", "UTF-8", KURL(), ForceSynchronousLoad)));
     v8::Isolate* isolate = toIsolate(frame.get());
@@ skipping 265 matching lines @@
 
 void InspectorOverlay::initializeLayoutEditorIfNeeded(Node* node)
 {
     if (m_inspectMode != InspectorDOMAgent::ShowLayoutEditor || !node || !node->isElementNode() || !node->ownerDocument()->isActive())
         return;
     m_layoutEditor = LayoutEditor::create(toElement(node), m_cssAgent, m_domAgent, &overlayMainFrame()->script());
     toChromeClientImpl(m_webViewImpl->page()->chromeClient()).setCursorOverridden(true);
 }
 
 } // namespace blink