Reorder setting of zooming, to prevent reflowing and size mismatch.

third_party/WebKit/Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 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 308 matching lines @@
           m_popupClient->ownerElement().document().existingAXObjectCache())
     cache->childrenChanged(&m_popupClient->ownerElement());
 
   DCHECK(frame->domWindow());
   PagePopupSupplement::install(*frame, *this, m_popupClient);
   DCHECK_EQ(m_popupClient->ownerElement().document().existingAXObjectCache(),
             frame->document()->existingAXObjectCache());
 
   RefPtr<SharedBuffer> data = SharedBuffer::create();
   m_popupClient->writeDocument(data.get());
+  frame->setPageZoomFactor(m_popupClient->zoomFactor());
   frame->loader().load(FrameLoadRequest(
       0, blankURL(), SubstituteData(data, "text/html", "UTF-8", KURL(),
                                     ForceSynchronousLoad)));
-  frame->setPageZoomFactor(m_popupClient->zoomFactor());
   return true;
 }
 
 void WebPagePopupImpl::postMessage(const String& message) {
   if (!m_page)
     return;
   ScriptForbiddenScope::AllowUserAgentScript allowScript;
   if (LocalDOMWindow* window = toLocalFrame(m_page->mainFrame())->domWindow())
     window->dispatchEvent(MessageEvent::create(message));
 }
@@ skipping 257 matching lines @@
   // A WebPagePopupImpl instance usually has two references.
   //  - One owned by the instance itself. It represents the visible widget.
   //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
   //    WebPagePopupImpl to close.
   // We need them because the closing operation is asynchronous and the widget
   // can be closed while the WebViewImpl is unaware of it.
   return adoptRef(new WebPagePopupImpl(client)).leakRef();
 }
 
 }  // namespace blink