Add experimental RPC method support

app/scripts/contentscript.js

@@ -125,6 +125,7 @@ function listenForProviderRequest () {
       case 'ETHEREUM_ENABLE_PROVIDER':
         extension.runtime.sendMessage({
           action: 'init-provider-request',
+          force: data.force,
           origin: source.location.hostname,
           siteImage: getSiteIcon(source),
           siteTitle: getSiteName(source),

app/scripts/controllers/provider-approval.js

@@ -25,10 +25,10 @@ class ProviderApprovalController {
     this.store = new ObservableStore()
 
     if (platform && platform.addMessageListener) {
-      platform.addMessageListener(({ action = '', origin, siteTitle, siteImage }) => {
+      platform.addMessageListener(({ action = '', force, origin, siteTitle, siteImage }) => {
         switch (action) {
           case 'init-provider-request':
-            this._handleProviderRequest(origin, siteTitle, siteImage)
+            this._handleProviderRequest(origin, siteTitle, siteImage, force)
             break
           case 'init-is-approved':
             this._handleIsApproved(origin)
@@ -51,10 +51,10 @@ class ProviderApprovalController {
    * @param {string} siteTitle - The title of the document requesting full provider access
    * @param {string} siteImage - The icon of the window requesting full provider access
    */
-  _handleProviderRequest (origin, siteTitle, siteImage) {
+  _handleProviderRequest (origin, siteTitle, siteImage, force) {
     this.store.updateState({ providerRequests: [{ origin, siteTitle, siteImage }] })
     const isUnlocked = this.keyringController.memStore.getState().isUnlocked
-    if (this.isApproved(origin) && this.caching && isUnlocked) {
+    if (!force && this.isApproved(origin) && this.caching && isUnlocked) {
       this.approveProviderRequest(origin)
       return
     }

app/scripts/inpage.js

@@ -44,7 +44,7 @@ window.addEventListener('metamasksetlocked', () => {
 })
 
 // augment the provider with its enable method
-inpageProvider.enable = function () {
+inpageProvider.enable = function ({ force } = {}) {
   return new Promise((resolve, reject) => {
     window.removeEventListener('ethereumprovider', providerHandle)
     providerHandle = ({ detail }) => {
@@ -85,10 +85,23 @@ inpageProvider.enable = function () {
       }
     }
     window.addEventListener('ethereumprovider', providerHandle)
-    window.postMessage({ type: 'ETHEREUM_ENABLE_PROVIDER' }, '*')
+    window.postMessage({ type: 'ETHEREUM_ENABLE_PROVIDER', force }, '*')
   })
 }
 
+// detect eth_requestAccounts and pipe to enable for now
+function detectAccountRequest(method) {
+  const originalMethod = inpageProvider[method]
+  inpageProvider[method] = function ({ method }) {
+    if (method === 'eth_requestAccounts') {
+      return ethereum.enable()
+    }
+    return originalMethod.apply(this, arguments)
+  }
+}
+detectAccountRequest('send')
+detectAccountRequest('sendAsync')
+
 // add metamask-specific convenience methods
 inpageProvider._metamask = new Proxy({
   /**