Refactoring AndroidKeyStore to support a KeyStore running in another process

net/android/java/src/org/chromium/net/IAndroidKeyStoreRemote.aidl

+// 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.
+
+package org.chromium.net;
+
+/**
+ * Interface for communication with an Android KeyStore in another process.
+ */
+interface IAndroidKeyStoreRemote {
+    // Remote calls for SSlClientCertificateRequest - these allow retrieving
+    // the alias of the certificate to be used and its encoded chain.
+    String getClientCertificateAlias();
+    byte[] getEncodedCertificateChain(in String alias);
+    String getPrivateKeyHandle(in String alias);
+
+    // Remote calls for AndroidKeyStore - these functions are for remoting the
+    // calls from AndroidKeyStore using the handle provided by
+    // |getPrivateHandle|.
+    byte[] getRSAKeyModulus(in String handle);
+    byte[] getPrivateKeyEncodedBytes(in String handle);
+    byte[] getDSAKeyParamQ(in String handle);
+    byte[] getECKeyOrder(in String handle);
+    byte[] rawSignDigestWithPrivateKey(in String handle, in byte[] message);
+    int getPrivateKeyType(in String handle);
+    void releaseKey(in String handle);
+}