aura: Try to make Linux host resize code more reliable.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 46c9926416695b1ab9e563177179c345de2d0c0e..0696c3bc840bcd3b7259d63b23de6092806060c3 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -143,6 +143,7 @@
 #include "chrome/browser/chromeos/login/ownership_service.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "chrome/browser/chromeos/system_key_event_listener.h"
 #include "chrome/browser/chromeos/user_cros_settings_provider.h"
 #include "chrome/browser/chromeos/xinput_hierarchy_changed_event_listener.h"
@@ -1347,6 +1348,11 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunInternal() {
     CommandLine::ForCurrentProcess()->AppendSwitch(switches::kViewsDesktop);
 #endif
 
+#if defined(USE_AURA) && defined(OS_CHROMEOS)
+  if (chromeos::system::runtime_environment::IsRunningOnChromeOS())
+    aura::Desktop::set_use_fullscreen_host_window(true);
+#endif
+
   // Always add the --block-reading-third-party-cookies flag, if not already
   // set. We'll leave this on for a bit to determine if we Break The Web for
   // Canary users.