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

chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc

Index: chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
diff --git a/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc b/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
index e627b243f5ba91d0499bbc707b9bd64f50d3140c..67aa98e88ad8596ede8871d84f6eb882a7dc2d1b 100644
--- a/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
+++ b/chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.cc
@@ -4,8 +4,9 @@
 
 #include "chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.h"
 
-#include "chrome/browser/ui/pdf/pdf_tab_helper.h"
 #include "chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h"
+#include "components/pdf/browser/open_pdf_in_reader_prompt_delegate.h"
+#include "components/pdf/browser/pdf_tab_helper.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/accessibility/ax_view_state.h"
@@ -28,7 +29,8 @@ OpenPDFInReaderView::~OpenPDFInReaderView() {
 void OpenPDFInReaderView::Update(content::WebContents* web_contents) {
   model_ = NULL;
   if (web_contents) {
-    PDFTabHelper* pdf_tab_helper = PDFTabHelper::FromWebContents(web_contents);
+    pdf::PDFTabHelper* pdf_tab_helper =
+        pdf::PDFTabHelper::FromWebContents(web_contents);
     model_ = pdf_tab_helper->open_in_reader_prompt();
   }