Block internal PlatformEvents before they are dispatched in touchview.

ash/wm/maximize_mode/maximize_mode_controller.cc

Index: ash/wm/maximize_mode/maximize_mode_controller.cc
diff --git a/ash/wm/maximize_mode/maximize_mode_controller.cc b/ash/wm/maximize_mode/maximize_mode_controller.cc
index 80a94a3d0e468f73d83d8f21520f4af8886913b0..583943d218707944b895c6e396f0f11f9f079bb1 100644
--- a/ash/wm/maximize_mode/maximize_mode_controller.cc
+++ b/ash/wm/maximize_mode/maximize_mode_controller.cc
@@ -10,7 +10,6 @@
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
-#include "ash/wm/maximize_mode/maximize_mode_event_blocker.h"
 #include "ash/wm/maximize_mode/maximize_mode_window_manager.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ -20,6 +19,10 @@
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/vector3d_f.h"
 
+#if defined(USE_X11)
+#include "ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard_x11.h"
+#endif
+
 namespace ash {
 
 namespace {
@@ -313,7 +316,9 @@ void MaximizeModeController::EnterMaximizeMode() {
   user_rotation_ = display_manager->
       GetDisplayInfo(gfx::Display::InternalDisplayId()).rotation();
   EnableMaximizeModeWindowManager(true);
-  event_blocker_.reset(new MaximizeModeEventBlocker);
+#if defined(USE_X11)
+  event_blocker_.reset(new ScopedDisableInternalMouseAndKeyboardX11);
+#endif
 #if defined(OS_CHROMEOS)
   event_handler_.reset(new ScreenshotActionHandler);
 #endif