4 files changed, 4 insertions, 4 deletions
diff --git a/chrome/browser/performance_monitor/BUILD.gn b/chrome/browser/performance_monitor/BUILD.gn
index 0439566..d3250bc 100644
--- a/chrome/browser/performance_monitor/BUILD.gn
+++ b/chrome/browser/performance_monitor/BUILD.gn
@@ -6,5 +6,5 @@ import("//extensions/generated_extensions_api.gni")
 
 generated_extensions_api("performance_monitor") {
   sources = [ "events.json" ]
-  root_namespace = "performance_monitor"
+  root_namespace = "performance_monitor::%(namespace)s"
 }
diff --git a/chrome/browser/performance_monitor/performance_monitor.gyp b/chrome/browser/performance_monitor/performance_monitor.gyp
index e3587f4..4739109 100644
--- a/chrome/browser/performance_monitor/performance_monitor.gyp
+++ b/chrome/browser/performance_monitor/performance_monitor.gyp
@@ -19,7 +19,7 @@
           'events.json',
         ],
         'cc_dir': 'chrome/browser/performance_monitor',
-        'root_namespace': 'performance_monitor',
+        'root_namespace': 'performance_monitor::%(namespace)s',
       },
     },
   ],
diff --git a/chrome/common/extensions/api/BUILD.gn b/chrome/common/extensions/api/BUILD.gn
index 2dcc3ed..d4362fb 100644
--- a/chrome/common/extensions/api/BUILD.gn
+++ b/chrome/common/extensions/api/BUILD.gn
@@ -35,7 +35,7 @@ generated_extensions_api("api") {
   }
 
   impl_dir = "//chrome/browser/extensions/api"
-  root_namespace = "extensions::api"
+  root_namespace = "extensions::api::%(namespace)s"
   bundle = true
 
   deps = [
diff --git a/chrome/common/extensions/api/api.gyp b/chrome/common/extensions/api/api.gyp
index 5965415..d995e1a 100644
--- a/chrome/common/extensions/api/api.gyp
+++ b/chrome/common/extensions/api/api.gyp
@@ -206,7 +206,7 @@
           }],
         ],
         'cc_dir': 'chrome/common/extensions/api',
-        'root_namespace': 'extensions::api',
+        'root_namespace': 'extensions::api::%(namespace)s',
       },
       'dependencies': [
         # Different APIs include some headers from chrome/common that in turn