[Android] Java Bridge with Gin: implement Java methods invocation

content/browser/renderer_host/java/gin_java_script_to_java_types_coercion.h

Index: content/browser/renderer_host/java/gin_java_script_to_java_types_coercion.h
diff --git a/content/browser/renderer_host/java/gin_java_script_to_java_types_coercion.h b/content/browser/renderer_host/java/gin_java_script_to_java_types_coercion.h
new file mode 100644
index 0000000000000000000000000000000000000000..1df7345ecc6246ca76e843f40db339f834a73019
--- /dev/null
+++ b/content/browser/renderer_host/java/gin_java_script_to_java_types_coercion.h
@@ -0,0 +1,33 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_GIN_JAVA_SCRIPT_TO_JAVA_TYPES_COERCION_H_
+#define CONTENT_BROWSER_RENDERER_HOST_JAVA_GIN_JAVA_SCRIPT_TO_JAVA_TYPES_COERCION_H_
+
+#include <map>
+
+#include "base/android/jni_weak_ref.h"
+#include "base/values.h"
+#include "content/browser/renderer_host/java/gin_java_bound_object.h"
+#include "content/browser/renderer_host/java/java_type.h"
+
+namespace content {
+
+typedef std::map<GinJavaBoundObject::ObjectID, JavaObjectWeakGlobalRef>
+    ObjectRefs;
+
+jvalue CoerceJavaScriptValueToJavaValue(
+    JNIEnv* env,
+    const base::Value* value,
+    const JavaType& target_type,
+    bool coerce_to_string,
+    const ObjectRefs& object_refs);
+
+void ReleaseJavaValueIfRequired(JNIEnv* env,
+                                jvalue* value,
+                                const JavaType& type);
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_JAVA_GIN_JAVA_SCRIPT_TO_JAVA_TYPES_COERCION_H_