Photo Picker dialog: Convert to AIDL for easier security review.

chrome/android/java/src/org/chromium/chrome/browser/photo_picker/IDecoderService.aidl

Index: chrome/android/java/src/org/chromium/chrome/browser/photo_picker/IDecoderService.aidl
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/IDecoderService.aidl b/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/IDecoderService.aidl
new file mode 100644
index 0000000000000000000000000000000000000000..778c3aa1e992c71ad814377681e78eefc642b63e
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/IDecoderService.aidl
@@ -0,0 +1,21 @@
+// Copyright 2017 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.chrome.browser.photo_picker;
+
+import android.os.Bundle;
+
+import IDecoderServiceCallback;
+
+/**
+ * This interface is called by the Photo Picker to start image decoding jobs in
+ * a separate process.
+ */
+interface IDecoderService {
+  /**
+   * Decode an image.
+   * @param payload The data containing the details for the decoding request.
+   */
+  oneway void decodeImage(in Bundle payload, IDecoderServiceCallback listener);
+}