Adds some ifdefs so that test_shell can be compiled on linux...

webkit/tools/test_shell/webwidget_host.h

Index: webkit/tools/test_shell/webwidget_host.h
===================================================================
--- webkit/tools/test_shell/webwidget_host.h	(revision 13475)
+++ webkit/tools/test_shell/webwidget_host.h	(working copy)
@@ -8,16 +8,13 @@
 #include "base/basictypes.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/gfx/rect.h"
+#include "base/gfx/size.h"
 #include "base/scoped_ptr.h"
 #include "skia/ext/platform_canvas.h"
 
 class WebWidget;
 class WebWidgetDelegate;
 
-namespace gfx {
-class Size;
-}
-
 namespace WebKit {
 struct WebScreenInfo;
 }
@@ -51,6 +48,9 @@
 #if defined(OS_WIN)
   void SetCursor(HCURSOR cursor);
 #endif
+#if defined(LINUX2)
+  const gfx::Size& size() const { return size_; }
+#endif
 
   void DiscardBackingStore();
   // Allow clients to update the paint rect. For example, if we get a gdk
@@ -58,6 +58,8 @@
   void UpdatePaintRect(const gfx::Rect& rect);
   void Paint();
 
+  skia::PlatformCanvas* canvas() const { return canvas_.get(); }
+
   WebKit::WebScreenInfo GetScreenInfo();
 
  protected:
@@ -112,6 +114,12 @@
 #endif
   }
 
+#if defined(LINUX2)
+  void ScheduleRepaint(const gfx::Rect& bounds);
+
+  gfx::Size size_;
+#endif
+
   gfx::NativeView view_;
   WebWidget* webwidget_;
   scoped_ptr<skia::PlatformCanvas> canvas_;