MacViews: Gets views_examples_with_content_exe compiling on Mac

ui/views_content_client/views_content_client.gyp

Index: ui/views_content_client/views_content_client.gyp
diff --git a/ui/views_content_client/views_content_client.gyp b/ui/views_content_client/views_content_client.gyp
index 100504b0aa138c95912a28f419778a39ce64fbf1..1773c2af63dfeddfd35ae62637036807e795960b 100644
--- a/ui/views_content_client/views_content_client.gyp
+++ b/ui/views_content_client/views_content_client.gyp
@@ -16,7 +16,6 @@
         '../../content/content_shell_and_tests.gyp:content_shell_lib',
         '../../third_party/icu/icu.gyp:icui18n',
         '../../third_party/icu/icu.gyp:icuuc',
-        '../aura/aura.gyp:aura',
         '../base/ui_base.gyp:ui_base',
         '../events/events.gyp:events',
         '../gfx/gfx.gyp:gfx',
@@ -37,8 +36,25 @@
         'views_content_client_export.h',
         'views_content_client_main_parts.cc',
         'views_content_client_main_parts.h',
+        'views_content_client_main_parts_aura.cc',
+        'views_content_client_main_parts_aura.h',
+        'views_content_client_main_parts_chromeos.cc',
+        'views_content_client_main_parts_desktop_aura.cc',
+        'views_content_client_main_parts_mac.mm',
         'views_content_main_delegate.cc',
       ],
+      'conditions': [
+        ['use_aura==1', {
+          'dependencies': [
+            '../aura/aura.gyp:aura',
+          ],
+        }],  # use_aura==1
+        ['chromeos==1', {
+          'sources!': [
+            'views_content_client_main_parts_desktop_aura.cc',
+          ]
+        }],  # chromeos==1
+      ],
     },  # target_name: views_content_client
   ],
 }