remove src/jumper

The distinction between SkJumper and SkRasterPipeline used
to be important, but it's no longer.  This CL moves everything
under src/jumper to the appropriate SkRasterPipeline file.

Change-Id: I1181fffafccb3dc4c4eb5f33b442c719ee370462
Reviewed-on: https://skia-review.googlesource.com/c/164627
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
diff --git a/src/shaders/SkComposeShader.cpp b/src/shaders/SkComposeShader.cpp
index 3e3d06d..2dee742 100644
--- a/src/shaders/SkComposeShader.cpp
+++ b/src/shaders/SkComposeShader.cpp
@@ -15,7 +15,6 @@
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkString.h"
-#include "../jumper/SkJumper.h"
 
 sk_sp<SkShader> SkShader::MakeCompose(sk_sp<SkShader> dst, sk_sp<SkShader> src, SkBlendMode mode,
                                       float lerpT) {
@@ -81,7 +80,7 @@
 
 bool SkComposeShader::onAppendStages(const StageRec& rec) const {
     struct Storage {
-        float   fRGBA[4 * SkJumper_kMaxStride];
+        float   fRGBA[4 * SkRasterPipeline_kMaxStride];
         float   fAlpha;
     };
     auto storage = rec.fAlloc->make<Storage>();