Revert accidental dartium code push

content/browser/webui/url_data_manager_backend.cc

Index: content/browser/webui/url_data_manager_backend.cc
diff --git a/content/browser/webui/url_data_manager_backend.cc b/content/browser/webui/url_data_manager_backend.cc
index a4d1ff72910225904d8e8c1423bac4504d14f4ae..f2ccafb801ba07842225796fe961644ba0e1498b 100644
--- a/content/browser/webui/url_data_manager_backend.cc
+++ b/content/browser/webui/url_data_manager_backend.cc
@@ -49,12 +49,10 @@ namespace content {
 
 namespace {
 
-// TODO(jacobr) remove https://www.google.com when the dependency on the
-// Google Charts API is removed from the Dart Observatory.
 // TODO(tsepez) remove unsafe-eval when bidichecker_packaged.js fixed.
 const char kChromeURLContentSecurityPolicyHeaderBase[] =
     "Content-Security-Policy: script-src chrome://resources "
-    "'self' https://www.google.com 'unsafe-eval'; ";
+    "'self' 'unsafe-eval'; ";
 
 const char kChromeURLXFrameOptionsHeader[] = "X-Frame-Options: DENY";