Use a package for style name hyphenation

The 'hyphenate-style-name' packages is already a dependency of
'inline-style-prefixer', so we don't need our own implementation.

package.json

@@ -30,6 +30,7 @@
     "debounce": "^1.0.0",
     "deep-assign": "^2.0.0",
     "fbjs": "^0.8.8",
+    "hyphenate-style-name": "^1.0.2",
     "inline-style-prefixer": "^3.0.0",
     "normalize-css-color": "^1.0.2",
     "react-dom": "~15.4.1",

src/apis/StyleSheet/generateCss.js

@@ -1,10 +1,10 @@
-import hyphenate from './hyphenate';
+import hyphenateStyleName from 'hyphenate-style-name';
 import mapKeyValue from '../../modules/mapKeyValue';
 import normalizeValue from './normalizeValue';
 import prefixAll from 'inline-style-prefixer/static';
 
 const createDeclarationString = (prop, val) => {
-  const name = hyphenate(prop);
+  const name = hyphenateStyleName(prop);
   const value = normalizeValue(prop, val);
   if (Array.isArray(val)) {
     return val.map(v => `${name}:${v}`).join(';');

src/apis/StyleSheet/hyphenate.js

@@ -1,12 +0,0 @@
-const cache = {};
-const MS_REGEXP = /^ms-/;
-const UPPERCASE_REGEXP = /([A-Z])/g;
-
-const hyphenateStyleProp = prop => {
-  if (!cache.hasOwnProperty(prop)) {
-    cache[prop] = prop.replace(UPPERCASE_REGEXP, '-$&').toLowerCase().replace(MS_REGEXP, '-ms-');
-  }
-  return cache[prop];
-};
-
-module.exports = hyphenateStyleProp;