Fix --disable-libxul bustage from bug 602431 and bug 602428. a=bustage

gfx/layers/Layers.cpp

@@ -477,7 +477,10 @@ PrintInfo(nsACString& aTo, ShadowLayer* aShadowLayer)
   return aTo;
 }
 # else
-static nsACString& PrintInfo(nsACString& aTo, ShadowLayer* aShadowLayer) {}
+static nsACString& PrintInfo(nsACString& aTo, ShadowLayer* aShadowLayer)
+{
+  return aTo;
+}
 # endif  // MOZ_IPC
 
 #else  // !MOZ_LAYERS_HAVE_LOG

gfx/layers/basic/BasicLayers.h

@@ -56,8 +56,10 @@ namespace layers {
 
 class BasicShadowableLayer;
 class ShadowThebesLayer;
+class ShadowContainerLayer;
 class ShadowImageLayer;
 class ShadowCanvasLayer;
+class ShadowColorLayer;
 
 /**
  * This is a cairo/Thebes-only, main-thread-only implementation of layers.

gfx/layers/opengl/CanvasLayerOGL.cpp

@@ -35,7 +35,9 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#include "gfxSharedImageSurface.h"
+#ifdef MOZ_IPC
+# include "gfxSharedImageSurface.h"
+#endif
 
 #include "CanvasLayerOGL.h"
 

gfx/layers/opengl/ImageLayerOGL.cpp

@@ -36,7 +36,9 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#include "gfxSharedImageSurface.h"
+#ifdef MOZ_IPC
+# include "gfxSharedImageSurface.h"
+#endif
 
 #include "ImageLayerOGL.h"
 #include "gfxImageSurface.h"

gfx/layers/opengl/LayerManagerOGL.h

@@ -73,6 +73,11 @@ namespace mozilla {
 namespace layers {
 
 class LayerOGL;
+class ShadowThebesLayer;
+class ShadowContainerLayer;
+class ShadowImageLayer;
+class ShadowCanvasLayer;
+class ShadowColorLayer;
 
 /**
  * This is the LayerManager used for OpenGL 2.1. For now this will render on