[cros] Define session_manager component with SessionManager base class

components/session_manager.gypi

Index: components/session_manager.gypi
diff --git a/ui/events/ipc/events_ipc.gyp b/components/session_manager.gypi
similarity index 54%
copy from ui/events/ipc/events_ipc.gyp
copy to components/session_manager.gypi
index dd6433d33a678ca93bdd9b1f381f8f885c7ee031..d9c938d63c1f6eb201dbb173be299f23c7d50c00 100644
--- a/ui/events/ipc/events_ipc.gyp
+++ b/components/session_manager.gypi
@@ -3,26 +3,23 @@
 # found in the LICENSE file.
 
 {
-  'variables': {
-    'chromium_code': 1,
-  },
   'targets': [
-     {
-      'target_name': 'events_ipc',
+    {
+      'target_name': 'session_manager_component',
       'type': '<(component)',
       'dependencies': [
-        '<(DEPTH)/base/base.gyp:base',
-        '<(DEPTH)/ipc/ipc.gyp:ipc',
-      ],
-      'defines': [
-        'EVENTS_IMPLEMENTATION',
+        '../base/base.gyp:base',
       ],
       'include_dirs': [
-        '../..',
+        '..',
+      ],
+      'defines': [
+        'SESSION_IMPLEMENTATION',
       ],
       'sources': [
-        'latency_info_param_traits.cc',
-        'latency_info_param_traits.h',
+        'session_manager/core/session_manager.h',
+        'session_manager/core/session_manager.cc',
+        'session_manager/session_manager_export.h',
       ],
     },
   ],