Adding Wayland message loop and gyp build deps

base/base.gypi

Index: base/base.gypi
diff --git a/base/base.gypi b/base/base.gypi
index 8c7945ae0c724a12dcf5c40d9bad737a3bf3330b..7aa4f729e7a3d07a341b79fb3dc15183d96038ff 100644
--- a/base/base.gypi
+++ b/base/base.gypi
@@ -364,6 +364,17 @@
           '$(SDKROOT)/System/Library/Frameworks/ApplicationServices.framework/Frameworks',
         ],
         'conditions': [
+          [ 'use_wayland == 1', {
+            'sources!': [
+              'message_pump_gtk.cc',
+              'message_pump_x.cc',
+            ],
+          }, {
+            'sources!': [
+              'message_pump_wayland.cc',
+              'message_pump_wayland.h',
+            ],
+          }],
           [ 'toolkit_uses_gtk==0', {
               'sources/': [
                 ['exclude', '^nix/'],
@@ -454,6 +465,11 @@
         ],
       },
       'conditions': [
+        ['use_wayland == 1', {
+          'dependencies': [
+            '../build/linux/system.gyp:dbus-glib',
+          ],
+        }],
         [ 'toolkit_uses_gtk==1', {
           'conditions': [
             [ 'chromeos==1', {
@@ -576,6 +592,8 @@
         'message_pump_libevent.h',
         'message_pump_mac.h',
         'message_pump_mac.mm',
+        'message_pump_wayland.cc',
+        'message_pump_wayland.h',
         'metrics/field_trial.cc',
         'metrics/field_trial.h',
         'string16.cc',