Remove dead code since PDFWebContentsHelper::ShowOpenInReaderPrompt isn't called anymore.

chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc

Index: chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc
diff --git a/chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc b/chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc
index 2fedeac10ccf8471fb7c145f21e94732ae414c5d..a478c9be155a7803f95e97be1aeb6a8b60427570 100644
--- a/chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc
+++ b/chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.cc
@@ -7,8 +7,6 @@
 #include "chrome/browser/download/download_stats.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/location_bar/location_bar.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
 
@@ -33,23 +31,6 @@ ChromePDFWebContentsHelperClient::ChromePDFWebContentsHelperClient() {
 ChromePDFWebContentsHelperClient::~ChromePDFWebContentsHelperClient() {
 }
 
-void ChromePDFWebContentsHelperClient::UpdateLocationBar(
-    content::WebContents* contents) {
-  Browser* browser = chrome::FindBrowserWithWebContents(contents);
-  if (!browser)
-    return;
-
-  BrowserWindow* window = browser->window();
-  if (!window)
-    return;
-
-  LocationBar* location_bar = window->GetLocationBar();
-  if (!location_bar)
-    return;
-
-  location_bar->UpdateOpenPDFInReaderPrompt();
-}
-
 void ChromePDFWebContentsHelperClient::UpdateContentRestrictions(
     content::WebContents* contents,
     int content_restrictions) {