Componentize ProfileMetrics::Counts

components/profile_metrics.gypi

Index: components/profile_metrics.gypi
diff --git a/components/profile_metrics.gypi b/components/profile_metrics.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..49e713ada4ce35d0a8f06ae5d98388a7956bf53d
--- /dev/null
+++ b/components/profile_metrics.gypi
@@ -0,0 +1,24 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'targets': [
+    {
+      # GN version: //components/profile_metrics
+      'target_name': 'profile_metrics',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        '../base/base.gyp:base',
+      ],
+      'sources': [
+        # Note: sources list duplicated in GN build.
+        'profile_metrics/counts.cc',
+        'profile_metrics/counts.h',
+      ],
+    },
+  ],
+}