Make GrPipeline hold a GrRenderTargetProxy (instead of a GrRenderTarget)

In a future world where GrSurface no longer has an origin it will be
useful for the GrPipeline to be holding the GrRenderTargetProxy (which will
still have an origin).

Change-Id: I743a8cc07b6b92f8116227fb77b7c37da43cde8a
Reviewed-on: https://skia-review.googlesource.com/26804
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp b/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
index 5f1833a..85b989b 100644
--- a/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
@@ -7,6 +7,7 @@
 
 #include "GrCCPRCoverageProcessor.h"
 
+#include "GrRenderTargetProxy.h"
 #include "ccpr/GrCCPRTriangleProcessor.h"
 #include "ccpr/GrCCPRQuadraticProcessor.h"
 #include "ccpr/GrCCPRCubicProcessor.h"
@@ -346,10 +347,10 @@
 
 #include "GrRenderTarget.h"
 
-void GrCCPRCoverageProcessor::Validate(GrRenderTarget* atlasTexture) {
-    SkASSERT(kAtlasOrigin == atlasTexture->origin());
-    SkASSERT(GrPixelConfigIsAlphaOnly(atlasTexture->config()));
-    SkASSERT(GrPixelConfigIsFloatingPoint(atlasTexture->config()));
+void GrCCPRCoverageProcessor::Validate(GrRenderTargetProxy* atlasProxy) {
+    SkASSERT(kAtlasOrigin == atlasProxy->origin());
+    SkASSERT(GrPixelConfigIsAlphaOnly(atlasProxy->config()));
+    SkASSERT(GrPixelConfigIsFloatingPoint(atlasProxy->config()));
 }
 
 #endif