pdf: Create a separate component for using the pdf pepper plugin.

chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h

Index: chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h
diff --git a/chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h b/chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h
index cde20b17e57f6397db8f6f02731dcbfbe6ae9be9..d0d9db7ca4cc861279a833d49e5c9f62316e7bf8 100644
--- a/chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h
+++ b/chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h
@@ -9,7 +9,9 @@
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/link_listener.h"
 
+namespace pdf {
 class OpenPDFInReaderPromptDelegate;
+}
 
 namespace views {
 class LabelButton;
@@ -20,7 +22,7 @@ class OpenPDFInReaderBubbleView : public views::BubbleDelegateView,
                                   public views::LinkListener {
  public:
   OpenPDFInReaderBubbleView(views::View* anchor_view,
-                            OpenPDFInReaderPromptDelegate* model);
+                            pdf::OpenPDFInReaderPromptDelegate* model);
   virtual ~OpenPDFInReaderBubbleView();
 
  protected:
@@ -36,7 +38,7 @@ class OpenPDFInReaderBubbleView : public views::BubbleDelegateView,
 
  private:
   // Weak pointer; owned by the PDFTabHelper of the currently active tab.
-  OpenPDFInReaderPromptDelegate* model_;
+  pdf::OpenPDFInReaderPromptDelegate* model_;
 
   views::Link* open_in_reader_link_;
   views::LabelButton* close_button_;