Refused to load the script 'https://apis.google.com/js/client.js?onload=handleClientLoad' because it violates the following Content Security Policy directive: "script-src 'self' blob: filesystem: chrome-extension-resource:"

Refused to execute inline event handler because it violates the following Content Security Policy directive: "script-src 'self' blob: filesystem: chrome-extension-resource:". Either the 'unsafe-inline' keyword, a hash ('sha256-...'), or a nonce ('nonce-...') is required to enable inline execution.

{
  "manifest_version": 2,
  "name": "SECURE",
  "description": "this extension offers secure communication for GMAIL     users",
  "version": "1.0",
 "browser_action": {
 "default_icon": "resources/icon16.png",
 "default_popup": "popup.html",
 "default_title": "Click here!"
 "background":{
   "scripts":["background.js"]
 "content_scripts": [
   "matches": ["http://*/*", "https://*/*"],
   "js":["myscript.js"],
   "run_at": "document_end"
"permissions": ["identity", "https://accounts.google.com/*",  "https://www.googleapis.com/*"],
"oauth2": {
   "client_id": "975410329966.apps.googleusercontent.com",
 "scopes": [
   "<all urls>",
   "https://www.googleapis.com/auth/drive",
   "https://mail.google.com/",
   "https://www.googleapis.com/auth/gmail.login",
   "https://www.googleapis.com/auth/gmail.compose",
   "https://www.googleapis.com/auth/gmail.readonly",
   "https://www.googleapis.com/auth/gmail.send"
 "content_security_policy":"script-src 'self'  'unsafe-inline' 'unsafe eval'  https://apis.google.com/js/client.js?; object-src 'self'"