Posting additional log message if apps have a blocked URL

This is to make sure it is easy to spot even if app
intentionally override it.

Change-Id: Ic100ed110c69488a489bb303597a6cbcd852806b
diff --git a/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java b/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java
index fb82c81..d55332f 100644
--- a/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java
+++ b/chromium/java/com/android/webview/chromium/WebViewContentsClientAdapter.java
@@ -309,6 +309,10 @@
         if (mWebChromeClient != null) {
             if (TRACE) Log.d(TAG, "onConsoleMessage: " + consoleMessage.message());
             result = mWebChromeClient.onConsoleMessage(consoleMessage);
+            String message = consoleMessage.message();
+            if (result && message != null && message.startsWith("[blocked]")) {
+                Log.e(TAG, "Blocked URL: " + message);
+            }
         } else {
             result = false;
         }