GrCustomStage Renaming Part 5

Stuff found by searching for "stage".

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6772043

git-svn-id: http://skia.googlecode.com/svn/trunk@6089 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index e6d1596..079623a 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -687,8 +687,8 @@
                                   kFloat_GrSLType, "GradientYCoordFS");
 }
 
-void GrGLGradientStage::setData(const GrGLUniformManager& uman, const GrEffect& stage) {
-    GrScalar yCoord = static_cast<const GrGradientEffect&>(stage).getYCoord();
+void GrGLGradientStage::setData(const GrGLUniformManager& uman, const GrEffect& effect) {
+    GrScalar yCoord = static_cast<const GrGradientEffect&>(effect).getYCoord();
     if (yCoord != fCachedYCoord) {
         uman.set1f(fFSYUni, yCoord);
         fCachedYCoord = yCoord;