Click to Open PDF: Open PDF once View PDF is clicked.

chrome/browser/plugins/plugin_observer.cc

Index: chrome/browser/plugins/plugin_observer.cc
diff --git a/chrome/browser/plugins/plugin_observer.cc b/chrome/browser/plugins/plugin_observer.cc
index 6f939ac790ca9b8ad9b3fabee2019b5bf5470162..8fb9c3424ff5bfe9a82602dc67f45e6eca834b05 100644
--- a/chrome/browser/plugins/plugin_observer.cc
+++ b/chrome/browser/plugins/plugin_observer.cc
@@ -267,6 +267,7 @@ bool PluginObserver::OnMessageReceived(
                         OnShowFlashPermissionBubble)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
                         OnCouldNotLoadPlugin)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DownloadPDF, OnDownloadPDF)
 
     IPC_MESSAGE_UNHANDLED(return false)
   IPC_END_MESSAGE_MAP()
@@ -335,3 +336,13 @@ void PluginObserver::OnCouldNotLoadPlugin(const base::FilePath& plugin_path) {
                                  plugin_name),
       true);
 }
+
+void PluginObserver::OnDownloadPDF(const GURL& url) {
+  web_contents()->OpenURL(content::OpenURLParams(
+      url,
+      content::Referrer::SanitizeForRequest(
+          url, content::Referrer(web_contents()->GetURL(),
+                                 blink::kWebReferrerPolicyDefault)),
+      WindowOpenDisposition::NEW_FOREGROUND_TAB,
+      ui::PAGE_TRANSITION_AUTO_BOOKMARK, false));
+}