Initial refactor of shaderbuilder to prepare for geometry shaders

gitignore for eclipse

BUG=skia:
R=bsalomon@google.com, bsalomon@chromium.org

Author: joshualitt@chromium.org

Review URL: https://codereview.chromium.org/491673002
diff --git a/src/gpu/effects/GrDistanceFieldTextureEffect.h b/src/gpu/effects/GrDistanceFieldTextureEffect.h
index ab84753..dca1949 100644
--- a/src/gpu/effects/GrDistanceFieldTextureEffect.h
+++ b/src/gpu/effects/GrDistanceFieldTextureEffect.h
@@ -86,7 +86,7 @@
 
     GR_DECLARE_EFFECT_TEST;
 
-    typedef GrVertexEffect INHERITED;
+    typedef GrEffect INHERITED;
 };
 
 /**
@@ -131,7 +131,7 @@
 
     GR_DECLARE_EFFECT_TEST;
 
-    typedef GrVertexEffect INHERITED;
+    typedef GrEffect INHERITED;
 };
 
 #endif