Update to Chromium revision 157509.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@838 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef1/libcef/geolocation_client.cc

@@ -350,3 +350,14 @@ namespace switches {
 const char kExperimentalLocationFeatures[]  = "experimental-location-features";
 
 }  // namespace switches
+
+
+// Stub implementation of google_apis/google_api_keys.h.
+
+namespace google_apis {
+
+std::string GetAPIKey() {
+  return std::string();
+}
+
+}  // namespace google_apis