[Android] Java Bridge with Gin: implement Java Bridge dispatcher

content/common/android/gin_java_bridge_errors.cc

+// Copyright 2014 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 "content/common/android/gin_java_bridge_errors.h"
+
+#include "base/logging.h"
+
+namespace content {
+
+const char* GinJavaBridgeErrorToString(GinJavaBridgeError error) {
+  switch (error) {
+    case kGinJavaBridgeNoError:
+      return "No error";
+    case kGinJavaBridgeUnknownObjectId:
+      return "Unknown Java object ID";
+    case kGinJavaBridgeObjectIsGone:
+      return "Java object is gone";
+    case kGinJavaBridgeMethodNotFound:
+      return "Method not found";
+    case kGinJavaBridgeAccessToObjectGetClassIsBlocked:
+      return "Access to java.lang.Object.getClass is blocked";
+    case kGinJavaBridgeJavaExceptionRaised:
+      return "Java exception was raised during method invocation";
+  }
+  NOTREACHED();
+  return "Unknown error";
+}
+
+}  // namespace content