Updates from Tue 7 Apr

- [AdsManager] Correct back button functionality | Eric Vicenti
- [ReactNative] Replace Backstack with BackAndroid | Eric Vicenti
- [ReactNative] Better error message for EADDRINUSE | Alex Kotliarskyi
- [ReactNative] npm install --save chalk | Alex Kotliarskyi
- Removed redundant views and shadow views | Nick Lockwood
- [ReactNative] Fix variable shadowing in RCTText | Tadeu Zagallo
- [react-packager] check in image-size module | Amjad Masad
- Refactored RCTLog and added facility to prepend extra data to the log message | Nick Lockwood
- [ReactNative] Fix crash on image download | Tadeu Zagallo
- [React Native] #WIP Modify RCTShadowText measure function to honor maxNumberOfLines property | Alex Akers
- Add promise support to AsyncStorage | Spencer Ahrens
- [ReactNative] Revert high-level Subscribable | Eric Vicenti
- [ReactNative] wrong deprecated prop check in RCTConvert | Kevin Gozali
- [ReactNative][MAdMan] Add type for image source, flowify AdsManagerObjectiveTypes | Philipp von Weitershausen

Libraries/CustomComponents/Navigator/getNavigatorContext.js

@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2015, Facebook, Inc.  All rights reserved.
+ *
+ * Facebook, Inc. (“Facebook”) owns all right, title and interest, including
+ * all intellectual property and other proprietary rights, in and to the React
+ * Native CustomComponents software (the “Software”).  Subject to your
+ * compliance with these terms, you are hereby granted a non-exclusive,
+ * worldwide, royalty-free copyright license to (1) use and copy the Software;
+ * and (2) reproduce and distribute the Software as part of your own software
+ * (“Your Software”).  Facebook reserves all rights not expressly granted to
+ * you in this license agreement.
+ *
+ * THE SOFTWARE AND DOCUMENTATION, IF ANY, ARE PROVIDED "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES (INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE) ARE DISCLAIMED.
+ * IN NO EVENT SHALL FACEBOOK OR ITS AFFILIATES, OFFICERS, DIRECTORS OR
+ * EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @providesModule getNavigatorContext
+ */
+'use strict';
+
+
+var ReactInstanceMap = require('ReactInstanceMap');
+
+function getNavigatorContext(el) {
+  // TODO (t6707746): replace with `el.context.navigator` when parent context is supported
+  return ReactInstanceMap.get(el)._context.navigator;
+}
+
+module.exports = getNavigatorContext;