Revert "Changes gl::RenderbufferStorage to rx::RenderbufferImpl"

This reverts commit 9fc51d90176dcf4273cd6689968e1ca5d1c9fe16.

Change-Id: I4134ebe5ef6b8f509f4cc5cc22a2d526ec43ef6d
Reviewed-on: https://chromium-review.googlesource.com/226374
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Shannon Woods <shannonwoods@chromium.org>
diff --git a/src/libGLESv2/ResourceManager.cpp b/src/libGLESv2/ResourceManager.cpp
index 35f8783..04fa841 100644
--- a/src/libGLESv2/ResourceManager.cpp
+++ b/src/libGLESv2/ResourceManager.cpp
@@ -403,7 +403,7 @@
 {
     if (renderbuffer != 0 && !getRenderbuffer(renderbuffer))
     {
-        Renderbuffer *renderbufferObject = new Renderbuffer(mRenderer->createRenderbuffer(), renderbuffer);
+        Renderbuffer *renderbufferObject = new Renderbuffer(renderbuffer, new Colorbuffer(mRenderer, 0, 0, GL_RGBA4, 0));
         mRenderbufferMap[renderbuffer] = renderbufferObject;
         renderbufferObject->addRef();
     }