Add isMultisampled() to GrRenderTarget. Cleanup MSAA vs smooth lines logic in GrGpuGL.

Skia issue: 178

Review URL: http://codereview.appspot.com/4382041/



git-svn-id: http://skia.googlecode.com/svn/trunk@1067 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrGLTexture.h b/gpu/include/GrGLTexture.h
index 7924cc3..94ae7b4 100644
--- a/gpu/include/GrGLTexture.h
+++ b/gpu/include/GrGLTexture.h
@@ -64,13 +64,14 @@
         GrGLuint      fTexFBOID;
         GrGLuint      fStencilRenderbufferID;
         GrGLuint      fMSColorRenderbufferID;
-        bool        fOwnIDs;
+        bool          fOwnIDs;
     };
 
     GrGLRenderTarget(GrGpuGL* gpu,
                      const GLRenderTargetIDs& ids,
                      GrGLTexID* texID,
                      GrGLuint stencilBits,
+                     bool isMultisampled,
                      const GrGLIRect& fViewport,
                      GrGLTexture* texture);