Bug 1415690 - [1.0] Resolve canonical data path to avoid permission issues. r=snorp

mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoSession.java

@@ -6,6 +6,7 @@
 
 package org.mozilla.gecko;
 
+import java.io.File;
 import java.net.URLConnection;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -477,8 +478,13 @@ public class GeckoSession implements Parcelable {
         }
 
         if (mSettings.getString(GeckoSessionSettings.DATA_DIR) == null) {
-            mSettings.setString(GeckoSessionSettings.DATA_DIR,
-                                appContext.getApplicationInfo().dataDir);
+            final File dataDir = new File(appContext.getApplicationInfo().dataDir);
+            try {
+                mSettings.setString(GeckoSessionSettings.DATA_DIR,
+                                    dataDir.getCanonicalPath());
+            } catch (final java.io.IOException e) {
+                Log.e(LOGTAG, "Failed to resolve app data directory");
+            }
         }
 
         final String chromeUri = mSettings.getString(GeckoSessionSettings.CHROME_URI);