Break some of the include chains that cause unneeded dependencies between headers.

TRAC #22499

Signed-off-by: Geoff Lang
Signed-off-by: Nicolas Capens
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1904 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Renderbuffer.h b/src/libGLESv2/Renderbuffer.h
index 4e0db27..eca2f3a 100644
--- a/src/libGLESv2/Renderbuffer.h
+++ b/src/libGLESv2/Renderbuffer.h
@@ -18,12 +18,11 @@
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
 
-#include "renderer/SwapChain.h"
-#include "renderer/RenderTarget.h"
-
 namespace rx
 {
 class Renderer;
+class SwapChain;
+class RenderTarget;
 }
 
 namespace gl