Initialize message pump not to use gtk.
  This is a temp fix to remove gtk_init. We should remove this once we remove gtk from message pump, which should be done as a part of AURA->TOOLKIT_USES_GTK=0

WindowSizer/gfx::screen for aura

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7943006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@101922 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 18f979c..300ed1e 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -3798,7 +3798,8 @@
         'browser/ui/webui/workers_ui.h',
         'browser/ui/window_sizer.cc',
         'browser/ui/window_sizer.h',
-        'browser/ui/window_sizer_linux.cc',
+        'browser/ui/window_sizer_aura.cc',
+        'browser/ui/window_sizer_gtk.cc',
         'browser/ui/window_sizer_mac.mm',
         'browser/ui/window_sizer_win.cc',
         'browser/ui/window_snapshot/window_snapshot.h',
@@ -4985,6 +4986,7 @@
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_container_gtk.h'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_view_gtk.cc'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_view_gtk.h'],
+            ['exclude', '^browser/ui/window_sizer_gtk.cc'],
             ['include', '^browser/ui/login/login_prompt_ui.cc'],
             ['include', '^browser/ui/views/aura/aura_init.cc'],
             ['include', '^browser/ui/views/browser_bubble_aura.cc'],