Add cookieException for google drive

fixes #9810

Auditors: @diracdeltas, @bsclifton, @bbondy

Test Plan:
1. Go to google drive
2. Make sure block 3rd party cookies
3. You should be able to download file

app/filtering.js

@@ -33,6 +33,7 @@ const {updateElectronDownloadItem} = require('./browser/electronDownloadItem')
 const {fullscreenOption} = require('./common/constants/settingsEnums')
 const isThirdPartyHost = require('./browser/isThirdPartyHost')
 var extensionState = require('./common/state/extensionState.js')
+const {cookieExceptions, refererExceptions} = require('../js/data/siteHacks')
 
 let appStore = null
 
@@ -46,9 +47,6 @@ let initializedPartitions = {}
 const transparent1pxGif = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'
 const pdfjsOrigin = `chrome-extension://${config.PDFJSExtensionId}`
 
-// Third party domains that require a valid referer to work
-const refererExceptions = ['use.typekit.net', 'cloud.typography.com', 'www.moremorewin.net']
-
 /**
  * Maps partition name to the session object
  */
@@ -273,9 +271,15 @@ function registerForBeforeSendHeaders (session, partition) {
 
       if (cookieSetting === 'blockAllCookies' ||
         isThirdPartyHost(parsedFirstPartyUrl.hostname, parsedTargetUrl.hostname)) {
+        let hasCookieException = false
+        cookieExceptions.forEach((exceptionPair) => {
+          if (getOrigin(firstPartyUrl) === exceptionPair[0] && getOrigin(details.url) === exceptionPair[1] && cookieSetting !== 'blockAllCookies') {
+            hasCookieException = true
+          }
+        })
         // Clear cookie and referer on third-party requests
         if (requestHeaders['Cookie'] &&
-            getOrigin(firstPartyUrl) !== pdfjsOrigin) {
+            getOrigin(firstPartyUrl) !== pdfjsOrigin && !hasCookieException) {
           requestHeaders['Cookie'] = undefined
         }
         if (cookieSetting !== 'blockAllCookies' &&

js/data/siteHacks.js

@@ -27,9 +27,13 @@ const emptyDataURI = {
  */
 module.exports.cookieExceptions = [
   ['https://inbox.google.com', 'https://hangouts.google.com'],
-  ['https://mail.google.com', 'https://hangouts.google.com']
+  ['https://mail.google.com', 'https://hangouts.google.com'],
+  ['https://drive.google.com', 'https://doc-0g-3g-docs.googleusercontent.com']
 ]
 
+// Third party domains that require a valid referer to work
+module.exports.refererExceptions = ['use.typekit.net', 'cloud.typography.com', 'www.moremorewin.net']
+
 /**
  * Holds an array of [Primary URL, subresource URL] to allow 3rd party localstorage.
  * Subresource URL can be '*' or undefined to indicate all.