diff --git a/brightray/browser/browser_client.cc b/brightray/browser/browser_client.cc
index fdf6659377..e425b7a83b 100644
--- a/brightray/browser/browser_client.cc
+++ b/brightray/browser/browser_client.cc
@@ -23,7 +23,7 @@ namespace {
 
 BrowserClient* g_browser_client;
 
-} // namespace
+}  // namespace
 
 BrowserClient* BrowserClient::Get() {
   return g_browser_client;
diff --git a/brightray/browser/browser_main_parts_mac.mm b/brightray/browser/browser_main_parts_mac.mm
index 20d7df5529..1df09f20e7 100644
--- a/brightray/browser/browser_main_parts_mac.mm
+++ b/brightray/browser/browser_main_parts_mac.mm
@@ -19,4 +19,4 @@ void BrowserMainParts::InitializeMainNib() {
   [mainNib release];
 }
 
-} // namespace brightray
+}  // namespace brightray
diff --git a/brightray/browser/inspectable_web_contents_view_mac.mm b/brightray/browser/inspectable_web_contents_view_mac.mm
index a74c52456a..94edc1c1a7 100644
--- a/brightray/browser/inspectable_web_contents_view_mac.mm
+++ b/brightray/browser/inspectable_web_contents_view_mac.mm
@@ -56,4 +56,4 @@ void InspectableWebContentsViewMac::SetTitle(const base::string16& title) {
   [view_ setTitle:base::SysUTF16ToNSString(title)];
 }
 
-} // namespace brightray
+}  // namespace brightray
diff --git a/brightray/browser/web_ui_controller_factory.cc b/brightray/browser/web_ui_controller_factory.cc
index 63e4a3aba4..565c025888 100644
--- a/brightray/browser/web_ui_controller_factory.cc
+++ b/brightray/browser/web_ui_controller_factory.cc
@@ -16,7 +16,7 @@ namespace {
 
 const char kChromeUIDevToolsBundledHost[] = "devtools";
 
-} // namespace
+}  // namespace
 
 // static
 WebUIControllerFactory* WebUIControllerFactory::GetInstance() {
diff --git a/brightray/common/application_info_mac.mm b/brightray/common/application_info_mac.mm
index a8f0e354db..6898b6376d 100644
--- a/brightray/common/application_info_mac.mm
+++ b/brightray/common/application_info_mac.mm
@@ -17,7 +17,7 @@ std::string ApplicationInfoDictionaryValue(CFStringRef key) {
   return ApplicationInfoDictionaryValue(base::mac::CFToNSCast(key));
 }
 
-} // namespace
+}  // namespace
 
 std::string GetApplicationName() {
   return ApplicationInfoDictionaryValue(kCFBundleNameKey);
@@ -27,4 +27,4 @@ std::string GetApplicationVersion() {
   return ApplicationInfoDictionaryValue(@"CFBundleShortVersionString");
 }
 
-} // namespace brightray
+}  // namespace brightray