Merge pull request #1957 from ethereum/enableInjectedProvider

ask permission to injected provider

src/app.js

@@ -1,5 +1,5 @@
 'use strict'
-
+/* global ethereum */
 var $ = require('jquery')
 var csjs = require('csjs-inject')
 var yo = require('yo-yo')
@@ -495,8 +495,17 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
 
   executionContext.event.register('contextChanged', this, function (context) {
     self.runCompiler()
+    askPermissionToInjectedProvider(context)
   })
 
+  let askPermissionToInjectedProvider = (context) => {
+    if (context === 'injected' && ethereum && typeof ethereum.enable === 'function') {
+      ethereum.enable()
+    }
+  }
+
+  askPermissionToInjectedProvider(executionContext.getProvider())
+
   // rerun the compiler when the environement changed
   executionContext.event.register('web3EndpointChanged', this, function (context) {
     self.runCompiler()