More linux ifdef tweaks. This reverts my earlier change (13503)....

webkit/glue/webplugin_impl.cc

Index: webkit/glue/webplugin_impl.cc
===================================================================
--- webkit/glue/webplugin_impl.cc	(revision 14606)
+++ webkit/glue/webplugin_impl.cc	(working copy)
@@ -706,15 +706,12 @@
   gc->translate(static_cast<float>(origin.x()),
                 static_cast<float>(origin.y()));
 
-#if defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_WIN) || defined(OS_LINUX)
   // Note that |context| is only used when in windowless mode.
   gfx::NativeDrawingContext context =
       gc->platformContext()->canvas()->beginPlatformPaint();
 #elif defined(OS_MACOSX)
   gfx::NativeDrawingContext context = gc->platformContext();
-#else
-  NOTIMPLEMENTED();
-  gfx::NativeDrawingContext context = NULL;
 #endif
 
   WebCore::IntRect window_rect =
@@ -723,7 +720,7 @@
 
   delegate_->Paint(context, webkit_glue::FromIntRect(window_rect));
 
-#if defined(OS_WIN) || defined(TOOLKIT_GTK)
+#if defined(OS_WIN) || defined(OS_LINUX)
   gc->platformContext()->canvas()->endPlatformPaint();
 #endif
   gc->restore();