Propagate error messages to UI for blimp.

chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.h"
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/android/blimp/chrome_blimp_client_context_delegate.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "jni/ChromeBlimpClientContextDelegate_jni.h"
 
 // static
 bool ChromeBlimpClientContextDelegateAndroid::RegisterJni(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
@@ skipping 19 matching lines @@
     JNIEnv* env,
     const base::android::JavaParamRef<jobject>& jobj) {
   delete this;
 }
 
 ChromeBlimpClientContextDelegateAndroid::
     ~ChromeBlimpClientContextDelegateAndroid() {
   Java_ChromeBlimpClientContextDelegate_clearNativePtr(
       base::android::AttachCurrentThread(), java_obj_);
 }
+
+void ChromeBlimpClientContextDelegateAndroid::ShowMessage(
+    const base::string16& message,
+    bool short_message) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  base::android::ScopedJavaLocalRef<jstring> jmessage(
+      base::android::ConvertUTF16ToJavaString(env, message));
+  Java_ChromeBlimpClientContextDelegate_showMessage(env, java_obj_, jmessage,
+                                                    short_message);
+}