GrCustomStage Renaming Part 4

Rename a bunch of things found by searching for "custom".
Review URL: https://codereview.appspot.com/6765048

git-svn-id: http://skia.googlecode.com/svn/trunk@6085 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 1412952..1e7a8b6 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -41,7 +41,7 @@
     virtual bool asComponentTable(SkBitmap* table) const SK_OVERRIDE;
 
 #if SK_SUPPORT_GPU
-    virtual GrEffect* asNewCustomStage(GrContext* context) const SK_OVERRIDE;
+    virtual GrEffect* asNewEffect(GrContext* context) const SK_OVERRIDE;
 #endif
 
     virtual void filterSpan(const SkPMColor src[], int count,
@@ -350,10 +350,10 @@
     return SkNEW_ARGS(ColorTableEffect, (textures[GrEffectUnitTest::kAlphaTextureIdx]));
 }
 
-GrEffect* SkTable_ColorFilter::asNewCustomStage(GrContext* context) const {
+GrEffect* SkTable_ColorFilter::asNewEffect(GrContext* context) const {
     SkBitmap bitmap;
     this->asComponentTable(&bitmap);
-    // passing NULL because this custom effect does no tiling or filtering.
+    // passing NULL because this effect does no tiling or filtering.
     GrTexture* texture = GrLockCachedBitmapTexture(context, bitmap, NULL);
     GrEffect* stage = SkNEW_ARGS(ColorTableEffect, (texture));