Remove origin field from GrSurface (take 2)

This mainly consists of rm origin from GrSurface and the wrapBackEnd*
methods and then re-adding an explicit origin parameter to all the
GrGpu methods that need it.

TBR=bsalomon@google.com

Change-Id: I4248b2a4749ef844da4233ce53b0dc504bc9eb74
Reviewed-on: https://skia-review.googlesource.com/30280
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/vk/GrVkPipeline.h b/src/gpu/vk/GrVkPipeline.h
index d05974b..88c3d5f 100644
--- a/src/gpu/vk/GrVkPipeline.h
+++ b/src/gpu/vk/GrVkPipeline.h
@@ -40,7 +40,7 @@
     VkPipeline pipeline() const { return fPipeline; }
 
     static void SetDynamicScissorRectState(GrVkGpu*, GrVkCommandBuffer*, const GrRenderTarget*,
-                                           SkIRect);
+                                           GrSurfaceOrigin, SkIRect);
     static void SetDynamicViewportState(GrVkGpu*, GrVkCommandBuffer*, const GrRenderTarget*);
     static void SetDynamicBlendConstantState(GrVkGpu*, GrVkCommandBuffer*, GrPixelConfig,
                                              const GrXferProcessor&);