[Android WebView] Propagate Java exceptions thrown in OnReceivedSslError

android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java

Index: android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java b/android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java
index a294913efc1270ead695e6a680faae6726f85b01..d5b68192edb5340944c3162d60318129a9d1a102 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContentsClientBridge.java
@@ -7,6 +7,7 @@ package org.chromium.android_webview;
 import android.content.Context;
 import android.net.http.SslCertificate;
 import android.net.http.SslError;
+import android.os.Handler;
 import android.util.Log;
 import android.webkit.ValueCallback;
 
@@ -172,7 +173,7 @@ public class AwContentsClientBridge {
             return false;
         }
         final SslError sslError = SslUtil.sslErrorFromNetErrorCode(certError, cert, url);
-        ValueCallback<Boolean> callback = new ValueCallback<Boolean>() {
+        final ValueCallback<Boolean> callback = new ValueCallback<Boolean>() {
             @Override
             public void onReceiveValue(final Boolean value) {
                 ThreadUtils.runOnUiThread(new Runnable() {
@@ -183,7 +184,16 @@ public class AwContentsClientBridge {
                 });
             }
         };
-        mClient.onReceivedSslError(callback, sslError);
+        // Post the application callback back to the current thread to ensure the application
+        // callback is executed without any native code on the stack. This so that any exception
+        // thrown by the application callback won't have to be propagated through a native call
+        // stack.
+        new Handler().post(new Runnable() {
+            @Override
+            public void run() {
+                mClient.onReceivedSslError(callback, sslError);
+            }
+        });
         return true;
     }