Rely only on scriptURL when loading images

Reviewed By: @foghina

Differential Revision: D2527119

fb-gh-sync-id: e2a9618f729a2ec03b1959fa13fae46620cc379e

Author: frantic

Libraries/Image/__tests__/resolveAssetSource-test.js

@@ -25,7 +25,6 @@ function expectResolvesAsset(input, expectedSource) {
 describe('resolveAssetSource', () => {
   beforeEach(() => {
     jest.resetModuleRegistry();
-    __DEV__ = true;
   });
 
   it('returns same source for simple static and network images', () => {
@@ -109,11 +108,10 @@ describe('resolveAssetSource', () => {
 
   });
 
-  describe('bundle was loaded from file (PROD) on iOS', () => {
+  describe('bundle was loaded from file on iOS', () => {
     beforeEach(() => {
       NativeModules.SourceCode.scriptURL =
         'file:///Path/To/Simulator/main.bundle';
-      __DEV__ = false;
       Platform.OS = 'ios';
     });
 
@@ -138,11 +136,10 @@ describe('resolveAssetSource', () => {
     });
   });
 
-  describe('bundle was loaded from file (PROD) on Android', () => {
+  describe('bundle was loaded from file on Android', () => {
     beforeEach(() => {
       NativeModules.SourceCode.scriptURL =
         'file:///Path/To/Simulator/main.bundle';
-      __DEV__ = false;
       Platform.OS = 'android';
     });
 

Libraries/Image/resolveAssetSource.js

@@ -20,10 +20,6 @@ var SourceCode = require('NativeModules').SourceCode;
 var _serverURL;
 
 function getDevServerURL() {
-  if (!__DEV__) {
-    // In prod we want assets to be loaded from the archive
-    return null;
-  }
   if (_serverURL === undefined) {
     var scriptURL = SourceCode.scriptURL;
     var match = scriptURL && scriptURL.match(/^https?:\/\/.*?\//);