Bug 697117 - Clean up some errors found at runtime [r=lucasr]

embedding/android/GeckoApp.java

@@ -819,7 +819,7 @@ abstract public class GeckoApp
             String faviconUrl = url.getProtocol() + "://" + url.getAuthority() + "/favicon.ico";
             new DownloadFaviconTask().execute(faviconUrl, "" + tabId);
         } catch (MalformedURLException e) {
-            Log.d(LOG_FILE_NAME, "Error loading favicon: " + e);
+            // Optional so not a real error
         }
     }
 

mobile/chrome/content/browser.js

@@ -479,7 +479,17 @@ var BrowserEventHandler = {
       }
 
       case "DOMTitleChanged": {
+        if (!aEvent.isTrusted)
+          return;
+
+        let contentWin = aEvent.target.defaultView;
+        if (contentWin != contentWin.top)
+          return;
+
         let browser = BrowserApp.getBrowserForDocument(aEvent.target);
+        if (!browser)
+          return;
+
         let tabID = BrowserApp.getTabForBrowser(browser).id;
         sendMessageToJava({
           gecko: {

mobile/components/BrowserCLH.js

@@ -30,7 +30,9 @@ BrowserCLH.prototype = {
     let urlParam = "about:home";
     try {
         urlParam = aCmdLine.handleFlagWithParam("remote", false);
-    } catch (e) { dump("" + e); }
+    } catch (e) {
+      // Optional so not a real error
+    }
     dump("fs_handle: " + urlParam);
     try {
       let urifixup = Cc["@mozilla.org/docshell/urifixup;1"].getService(Ci.nsIURIFixup);