Use a resource throttle to implement shouldOverrideUrlLoading.

android_webview/native/aw_contents_client_bridge.cc

Index: android_webview/native/aw_contents_client_bridge.cc
diff --git a/android_webview/native/aw_contents_client_bridge.cc b/android_webview/native/aw_contents_client_bridge.cc
index 2b16fcc89614becab919eee98bdd14be40b1814d..9e570af6761308a0efd7d293ce26c41705c4701a 100644
--- a/android_webview/native/aw_contents_client_bridge.cc
+++ b/android_webview/native/aw_contents_client_bridge.cc
@@ -340,20 +340,6 @@ void AwContentsClientBridge::RunBeforeUnloadDialog(
       env, obj.obj(), jurl.obj(), jmessage.obj(), callback_id);
 }
 
-bool AwContentsClientBridge::ShouldOverrideUrlLoading(
-    const base::string16& url, bool has_user_gesture, bool is_redirect) {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
-  if (obj.is_null())
-    return false;
-  ScopedJavaLocalRef<jstring> jurl = ConvertUTF16ToJavaString(env, url);
-  devtools_instrumentation::ScopedEmbedderCallbackTask(
-      "shouldOverrideUrlLoading");
-  return Java_AwContentsClientBridge_shouldOverrideUrlLoading(
-      env, obj.obj(),
-      jurl.obj(), has_user_gesture, is_redirect);
-}
-
 void AwContentsClientBridge::ConfirmJsResult(JNIEnv* env,
                                              jobject,
                                              int id,