| Index: chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
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| diff --git a/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc b/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
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| index c6db29078d0ac4940873f609c266f57ce8e291eb..9a3d14038f248568dac8009e76dad38cb177ad30 100644
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| --- a/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
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| +++ b/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
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| @@ -4,6 +4,7 @@
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|  
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|  #include "chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.h"
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|  
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| +#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
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|  #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
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|  #include "chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.h"
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|  #include "components/pdf/browser/pdf_web_contents_helper.h"
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| @@ -45,6 +46,8 @@ void ChromeMimeHandlerViewGuestDelegate::AttachHelpers() {
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|        web_contents,
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|        scoped_ptr<pdf::PDFWebContentsHelperClient>(
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|            new ChromePDFWebContentsHelperClient()));
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| +  extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
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| +      web_contents);
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|  }
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|  
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|  bool ChromeMimeHandlerViewGuestDelegate::HandleContextMenu(
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| 
 |