Add hooks to content to request permission to connect to the PPAPI broker.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 79859b4f4f9582a68c1fbb3586e4cd1ec612c9b2..8733ae882a51f8b611f8f88f45cca87e4a94bb09 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -955,6 +955,16 @@ void Browser::RequestMediaAccessPermissionHelper(
   }
 }
 
+// static
+void Browser::RequestPpapiBrokerPermissionHelper(
+    WebContents* web_contents,
+    const GURL& url,
+    const FilePath& plugin_path,
+    const base::Callback<void(bool)>& callback) {
+  // TODO(bauerb): Request permission.

[ddorwin, 2012/08/12 22:51:16]

FYI, should automatically return false in certain cases. This is briefly
mentioned in the bug.

[Bernhard Bauer, 2012/08/13 09:02:11]

Do you know what these cases are? FYI, the actual infobar is in
http://codereview.chromium.org/10826164/ and returns false in the following
cases:
* WebContentsDelegate is NULL
* WebContentsDelegate is not a Browser or ExternalTabContainer
* WebContents is not associated with a TabContents. 

[ddorwin, 2012/08/13 22:27:04]

As discussed offline.

+  callback.Run(true);
+}
+
 void Browser::UpdateUIForNavigationInTab(TabContents* contents,
                                          content::PageTransition transition,
                                          bool user_initiated) {
@@ -1683,6 +1693,15 @@ void Browser::RequestMediaAccessPermission(
   RequestMediaAccessPermissionHelper(web_contents, request, callback);
 }
 
+void Browser::RequestPpapiBrokerPermission(
+    WebContents* web_contents,
+    const GURL& url,
+    const FilePath& plugin_path,
+    const base::Callback<void(bool)>& callback) {
+  RequestPpapiBrokerPermissionHelper(web_contents, url, plugin_path,
+                                     callback);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, CoreTabHelperDelegate implementation: