Propagate error messages to UI for blimp.

chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc

Index: chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc
diff --git a/chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc b/chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc
index c38dcccbd789b88eaf30a344b91ea0e833f90230..158c4e19decb61feaebc0f3b7f8d47f15ddd14e6 100644
--- a/chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc
+++ b/chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.cc
@@ -5,6 +5,7 @@
 #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"
@@ -44,3 +45,13 @@ 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);
+}