diff --git a/atom/browser/atom_access_token_store.cc b/atom/browser/atom_access_token_store.cc
index 7c04113ff5..0ad637d7af 100644
--- a/atom/browser/atom_access_token_store.cc
+++ b/atom/browser/atom_access_token_store.cc
@@ -8,6 +8,7 @@
 
 #include "atom/browser/atom_browser_context.h"
 #include "atom/common/google_api_key.h"
+#include "base/environment.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/geolocation_provider.h"
 
@@ -17,13 +18,6 @@ namespace atom {
 
 namespace {
 
-// Notice that we just combined the api key with the url together here, because
-// if we use the standard {url: key} format Chromium would override our key with
-// the predefined one in common.gypi of libchromiumcontent, which is empty.
-const char* kGeolocationProviderURL =
-    "https://www.googleapis.com/geolocation/v1/geolocate?key="
-    GOOGLEAPIS_API_KEY;
-
 // Loads access tokens and other necessary data on the UI thread, and
 // calls back to the originator on the originating thread.
 class TokenLoadingJob : public base::RefCountedThreadSafe<TokenLoadingJob> {
@@ -57,7 +51,7 @@ class TokenLoadingJob : public base::RefCountedThreadSafe<TokenLoadingJob> {
     // of std::map on Linux, this can work around it.
     content::AccessTokenStore::AccessTokenMap access_token_map;
     std::pair<GURL, base::string16> token_pair;
-    token_pair.first = GURL(kGeolocationProviderURL);
+    token_pair.first = GURL(GOOGLEAPIS_ENDPOINT + api_key_);
     access_token_map.insert(token_pair);
 
     callback_.Run(access_token_map, request_context_getter_);
@@ -71,6 +65,9 @@ class TokenLoadingJob : public base::RefCountedThreadSafe<TokenLoadingJob> {
 
 AtomAccessTokenStore::AtomAccessTokenStore() {
   content::GeolocationProvider::GetInstance()->UserDidOptIntoLocationServices();
+  std::unique_ptr<base::Environment> env(base::Environment::Create());
+  if (!env->GetVar("GOOGLE_API_KEY", &api_key_))
+    api_key_ = GOOGLEAPIS_API_KEY;
 }
 
 AtomAccessTokenStore::~AtomAccessTokenStore() {
diff --git a/atom/browser/atom_access_token_store.h b/atom/browser/atom_access_token_store.h
index d70d44a0cd..dccbe3f5c4 100644
--- a/atom/browser/atom_access_token_store.h
+++ b/atom/browser/atom_access_token_store.h
@@ -21,6 +21,7 @@ class AtomAccessTokenStore : public content::AccessTokenStore {
                        const base::string16& access_token) override;
 
  private:
+  std::string api_key_;
   DISALLOW_COPY_AND_ASSIGN(AtomAccessTokenStore);
 };
 
diff --git a/atom/common/google_api_key.h b/atom/common/google_api_key.h
index dc38272ec6..e7a3209906 100644
--- a/atom/common/google_api_key.h
+++ b/atom/common/google_api_key.h
@@ -5,6 +5,11 @@
 #ifndef ATOM_COMMON_GOOGLE_API_KEY_H_
 #define ATOM_COMMON_GOOGLE_API_KEY_H_
 
+#ifndef GOOGLEAPIS_ENDPOINT
+#define GOOGLEAPIS_ENDPOINT \
+    "https://www.googleapis.com/geolocation/v1/geolocate?key="
+#endif
+
 #ifndef GOOGLEAPIS_API_KEY
 #define GOOGLEAPIS_API_KEY "AIzaSyAQfxPJiounkhOjODEO5ZieffeBv6yft2Q"
 #endif