Reland 111519: Remove default plug-in on Mac, Gtk and Aura.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index 0111b2d379bf0347fa5ed6cb453b518c7888cc86..3f2f4871b69e208ad14211b3df351d1a9e065949 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -32,7 +32,6 @@
         'common_constants',
         'common_net',
         'common_version',
-        'default_plugin/default_plugin.gyp:default_plugin',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/base.gyp:base_static',
@@ -247,7 +246,12 @@
         ['OS=="win"', {
           'include_dirs': [
             '<(DEPTH)/third_party/wtl/include',
-          ],
+          ]
+        }],
+        ['OS=="win" and use_aura==0', {
+          'dependencies': [
+            'default_plugin/default_plugin.gyp:default_plugin',
+          ]
         }],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
@@ -264,11 +268,6 @@
               '-lXext',
             ],
           },
-        },],
-        ['use_aura==1', {
-          'dependencies!': [
-           'default_plugin/default_plugin.gyp:default_plugin',
-          ],
         }],
         ['OS=="linux" and selinux==1', {
           'dependencies': [