Gets component build to work with aura. As part of this I needed to

ui/aura/screen_aura.h

Index: ui/aura/screen_aura.h
diff --git a/ui/aura/screen_aura.h b/ui/aura/screen_aura.h
new file mode 100644
index 0000000000000000000000000000000000000000..eaafbf044444953941780837ec7d335399b4a231
--- /dev/null
+++ b/ui/aura/screen_aura.h
@@ -0,0 +1,40 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_AURA_SCREEN_AURA_H_
+#define UI_AURA_SCREEN_AURA_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "ui/gfx/screen.h"
+
+namespace aura {
+namespace internal {
+
+// Aura implementation of gfx::Screen. Implemented here to avoid circular
+// dependencies.
+class ScreenAura : public gfx::Screen {
+ public:
+  ScreenAura();
+  virtual ~ScreenAura();
+
+ protected:
+  virtual gfx::Rect GetMonitorWorkAreaNearestWindowImpl(
+      gfx::NativeView view) OVERRIDE;
+  virtual gfx::Rect GetMonitorAreaNearestWindowImpl(
+      gfx::NativeView view) OVERRIDE;
+  virtual gfx::Rect GetMonitorWorkAreaNearestPointImpl(
+      const gfx::Point& point) OVERRIDE;
+  virtual gfx::Rect GetMonitorAreaNearestPointImpl(
+      const gfx::Point& point) OVERRIDE;
+  virtual gfx::NativeWindow GetWindowAtCursorScreenPointImpl() OVERRIDE;
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ScreenAura);
+};
+
+}  // namespace internal
+}  // namespace aura
+
+#endif  // UI_AURA_SCREEN_AURA_H_