Plumb file system permission into WebviewGuest.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 29f2d6b9f0f5620600d7adff6196255a0906ad19..237a3dd9927189b094c5b558ebcfd92c26ef23d2 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -1846,9 +1846,13 @@ bool ChromeContentBrowserClient::AllowWorkerFileSystem(
   std::vector<std::pair<int, int> >::const_iterator i;
   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
     BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
-                   i->first, i->second, url, !allow));
+        BrowserThread::UI,
+        FROM_HERE,
+        base::Bind(&TabSpecificContentSettings::FileSystemAccessedSync,

[Fady Samuel, 2014/05/29 21:36:25]

TabSpecificContentSettings::FileSystemAccessed

[Xi Han, 2014/05/30 14:38:35]

Done.

+                   i->first,
+                   i->second,
+                   url,
+                   !allow));
   }
 
   return allow;