Track plugin input event latency

ui/events/latency_info_nacl.gyp

Index: ui/events/latency_info_nacl.gyp
diff --git a/ui/events/latency_info_nacl.gyp b/ui/events/latency_info_nacl.gyp
index 2a00f4037c8b59566c06647b2466de23f5e09041..e42dbf87ee48ed60203840f79b84c0b06036033c 100644
--- a/ui/events/latency_info_nacl.gyp
+++ b/ui/events/latency_info_nacl.gyp
@@ -10,8 +10,9 @@
       'targets': [
         {
           'target_name': 'latency_info_nacl',
-          'type': '<(component)',
+          'type': 'none',
           'defines': [
+            'EVENTS_BASE_IMPLEMENTATION',
             'EVENTS_IMPLEMENTATION',
           ],
           'include_dirs': [
@@ -38,5 +39,40 @@
         },
       ],
     }],
+    ['disable_nacl!=1 and OS=="win" and target_arch=="ia32"', {
+      'targets': [
+        {
+          'target_name': 'latency_info_nacl_win64',
+          'type' : '<(component)',
+          'variables': {
+            'nacl_win64_target': 1,
+          },
+          'dependencies': [
+            '<(DEPTH)/base/base.gyp:base_win64',
+            '<(DEPTH)/ipc/ipc.gyp:ipc_win64',
+          ],
+          'defines': [
+            'EVENTS_BASE_IMPLEMENTATION',
+            'EVENTS_IMPLEMENTATION',
+            '<@(nacl_win64_defines)',
+          ],
+          'include_dirs': [
+            '../..',
+          ],
+          'sources': [
+            'latency_info.cc',
+            'latency_info.h',
+            'ipc/latency_info_param_traits.cc',
+            'ipc/latency_info_param_traits.h',
+          ],
+          'configurations': {
+            'Common_Base': {
+              'msvs_target_platform': 'x64',
+            },
+          },
+        },
+      ],
+    }],
   ],
 }
+