Let MetricsService know about some Android Activities

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 0f0ac460318d74fc6117e5cad038f8e96f9c73ed..a1bc88c94b7dc978844de6e3113dd913a1c4e546 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -91,6 +91,8 @@
         'browser/accessibility/accessibility_events.h',
         'browser/accessibility/invert_bubble_prefs.cc',
         'browser/accessibility/invert_bubble_prefs.h',
+        'browser/android/activity_type_ids.cc',
+        'browser/android/activity_type_ids.h',
         'browser/android/bookmarks/managed_bookmarks_shim.cc',
         'browser/android/bookmarks/managed_bookmarks_shim.h',
         'browser/android/bookmarks/bookmarks_bridge.cc',
@@ -1160,6 +1162,7 @@
         'browser/metrics/metrics_network_observer.h',
         'browser/metrics/metrics_reporting_scheduler.cc',
         'browser/metrics/metrics_reporting_scheduler.h',
+        'browser/metrics/metrics_service_android.cc',
         'browser/metrics/metrics_service.cc',
         'browser/metrics/metrics_service.h',
         'browser/metrics/perf_provider_chromeos.cc',
@@ -3602,6 +3605,18 @@
           'includes': [ '../build/jni_generator.gypi' ],
         },
         {
+          'target_name': 'activity_type_ids_java',
+          'type': 'none',
+          'sources': [
+            'android/java/ActivityTypeIds.template',
+          ],
+          'variables': {
+            'package_name': 'org/chromium/chrome/browser',
+            'template_deps': ['browser/android/activity_type_ids.h'],
+          },
+          'includes': [ '../build/android/java_cpp_template.gypi' ],
+        },
+        {
           'target_name': 'resource_id_java',
           'type': 'none',
           'sources': [