Revert D5189017: [RN] Native implementation of <Image> intrinsic content size on iOS

Differential Revision: D5189017

fbshipit-source-id: 35901e0b5c289cb7ae5b4fe8b13f3da3e43e819f

Author: shergin

IntegrationTests/ImageSnapshotTest.js

@@ -33,7 +33,6 @@ class ImageSnapshotTest extends React.Component<{}> {
   render() {
     return (
       <Image
-        style={{position: 'absolute'}}
         source={require('./blue_square.png')}
         defaultSource={require('./red_square.png')}
         onLoad={() => TestModule.verifySnapshot(this.done)} />

Libraries/Image/Image.ios.js

@@ -352,11 +352,13 @@ const Image = createReactClass({
     const source = resolveAssetSource(this.props.source) || { uri: undefined, width: undefined, height: undefined };
 
     let sources;
-    let style = flattenStyle([styles.base, this.props.style]) || {};
+    let style;
     if (Array.isArray(source)) {
+      style = flattenStyle([styles.base, this.props.style]) || {};
       sources = source;
     } else {
-      const {uri} = source;
+      const {width, height, uri} = source;
+      style = flattenStyle([{width, height}, styles.base, this.props.style]) || {};
       sources = [source];
 
       if (uri === '') {

Libraries/Image/RCTImageView.m

@@ -13,7 +13,6 @@
 #import <React/RCTConvert.h>
 #import <React/RCTEventDispatcher.h>
 #import <React/RCTImageSource.h>
-#import <React/RCTUIManager.h>
 #import <React/RCTUtils.h>
 #import <React/UIView+React.h>
 
@@ -108,22 +107,6 @@ - (void)dealloc
 
 RCT_NOT_IMPLEMENTED(- (instancetype)init)
 
-- (CGSize)intrinsicContentSize
-{
-  // The first `imageSource` defines intrinsic content size.
-  RCTImageSource *imageSource = _imageSources.firstObject;
-  if (!imageSource) {
-    return CGSizeZero;
-  }
-
-  return imageSource.size;
-}
-
-- (void)updateIntrinsicContentSize
-{
-  [_bridge.uiManager setIntrinsicContentSize:self.intrinsicContentSize forView:self];
-}
-
 - (void)updateWithImage:(UIImage *)image
 {
   if (!image) {
@@ -193,7 +176,6 @@ - (void)setImageSources:(NSArray<RCTImageSource *> *)imageSources
 {
   if (![imageSources isEqual:_imageSources]) {
     _imageSources = [imageSources copy];
-    [self updateIntrinsicContentSize];
     _needsReload = YES;
   }
 }

RNTester/RNTesterIntegrationTests/ReferenceImages/RNTester-js-RNTesterApp.ios/testSliderExample_1-iOS10@2x.png

@@ -634,18 +634,6 @@ exports.examples = [
       return <ImageSizeExample source={fullImage} />;
     },
   },
-  {
-    title: 'Intrinsic Content Size',
-    description: 'Images have intrinsic content size which respects ' +
-      'to the first `source` image size.',
-    render: function() {
-      return (
-        <View>
-          <Image source={require('./uie_thumb_big.png')} style={{alignSelf: 'center'}} />
-        </View>
-      );
-    },
-  },
   {
     title: 'MultipleSourcesExample',
     description: