diff --git a/atom/browser/atom_browser_client.cc b/atom/browser/atom_browser_client.cc
index 685d2700d79a..ca994edf0d15 100644
--- a/atom/browser/atom_browser_client.cc
+++ b/atom/browser/atom_browser_client.cc
@@ -319,6 +319,7 @@ bool AtomBrowserClient::CanCreateWindow(
     WindowOpenDisposition disposition,
     const blink::WebWindowFeatures& features,
     const std::vector<base::string16>& additional_features,
+    const scoped_refptr<ResourceRequestBodyImpl>& body,
     bool user_gesture,
     bool opener_suppressed,
     content::ResourceContext* context,
diff --git a/atom/browser/atom_browser_client.h b/atom/browser/atom_browser_client.h
index 37ed898be9ce..208855bc7228 100644
--- a/atom/browser/atom_browser_client.h
+++ b/atom/browser/atom_browser_client.h
@@ -13,6 +13,8 @@
 #include "brightray/browser/browser_client.h"
 #include "content/public/browser/render_process_host_observer.h"
 
+using content::ResourceRequestBodyImpl;
+
 namespace content {
 class QuotaPermissionContext;
 class ClientCertificateDelegate;
@@ -89,6 +91,7 @@ class AtomBrowserClient : public brightray::BrowserClient,
                        WindowOpenDisposition disposition,
                        const blink::WebWindowFeatures& features,
                        const std::vector<base::string16>& additional_features,
+                       const scoped_refptr<ResourceRequestBodyImpl>& body,
                        bool user_gesture,
                        bool opener_suppressed,
                        content::ResourceContext* context,
diff --git a/atom/common/chrome_version.h b/atom/common/chrome_version.h
index 0363943d53bb..9fbacf4e7371 100644
--- a/atom/common/chrome_version.h
+++ b/atom/common/chrome_version.h
@@ -8,7 +8,7 @@
 #ifndef ATOM_COMMON_CHROME_VERSION_H_
 #define ATOM_COMMON_CHROME_VERSION_H_
 
-#define CHROME_VERSION_STRING "53.0.2785.113"
+#define CHROME_VERSION_STRING "53.0.2785.143"
 #define CHROME_VERSION "v" CHROME_VERSION_STRING
 
 #endif  // ATOM_COMMON_CHROME_VERSION_H_
diff --git a/script/lib/config.py b/script/lib/config.py
index b98bf4244982..88dee3442df4 100644
--- a/script/lib/config.py
+++ b/script/lib/config.py
@@ -9,7 +9,7 @@ import sys
 BASE_URL = os.getenv('LIBCHROMIUMCONTENT_MIRROR') or \
     'https://s3.amazonaws.com/github-janky-artifacts/libchromiumcontent'
 LIBCHROMIUMCONTENT_COMMIT = os.getenv('LIBCHROMIUMCONTENT_COMMIT') or \
-    '82751b122d7f5cbedee5c662acc8cd1f1be8036d'
+    '76bb29da18cbeec0051e0690bc1b95e78034a422'
 
 PLATFORM = {
   'cygwin': 'win32',
diff --git a/vendor/brightray b/vendor/brightray
index bb35b4ada1ab..86a5d053234a 160000
--- a/vendor/brightray
+++ b/vendor/brightray
@@ -1 +1 @@
-Subproject commit bb35b4ada1ab9285251087656a9fdef488796509
+Subproject commit 86a5d053234a3eb9b2df47087738ab0b68ac1e25