Add GrRenderTargetContext::resourceProvider & GrResourceProvider::caps

and retract GrSurfaceContextPriv a bit

Change-Id: Id47af1052f9bda4fe7c85b3ce46b3ebe37797524
Reviewed-on: https://skia-review.googlesource.com/9647
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tests/TestUtils.cpp b/tests/TestUtils.cpp
index 63a8d94..d034961 100644
--- a/tests/TestUtils.cpp
+++ b/tests/TestUtils.cpp
@@ -13,7 +13,7 @@
 #include "GrSurfaceProxy.h"
 #include "GrTextureProxy.h"
 
-void test_read_pixels(skiatest::Reporter* reporter, GrContext* context,
+void test_read_pixels(skiatest::Reporter* reporter,
                       GrSurfaceContext* srcContext, uint32_t expectedPixelValues[],
                       const char* testName) {
     int pixelCnt = srcContext->width() * srcContext->height();
@@ -36,7 +36,7 @@
     }
 }
 
-void test_write_pixels(skiatest::Reporter* reporter, GrContext* context,
+void test_write_pixels(skiatest::Reporter* reporter,
                        GrSurfaceContext* dstContext, bool expectedToWork,
                        const char* testName) {
     int pixelCnt = dstContext->width() * dstContext->height();
@@ -63,7 +63,7 @@
         return;
     }
 
-    test_read_pixels(reporter, context, dstContext, pixels.get(), testName);
+    test_read_pixels(reporter, dstContext, pixels.get(), testName);
 }
 
 void test_copy_from_surface(skiatest::Reporter* reporter, GrContext* context,
@@ -83,11 +83,11 @@
 
         sk_sp<GrSurfaceContext> dstContext(GrSurfaceProxy::TestCopy(context, copyDstDesc, proxy));
 
-        test_read_pixels(reporter, context, dstContext.get(), expectedPixelValues, testName);
+        test_read_pixels(reporter, dstContext.get(), expectedPixelValues, testName);
     }
 }
 
-void test_copy_to_surface(skiatest::Reporter* reporter, GrContext* context,
+void test_copy_to_surface(skiatest::Reporter* reporter, GrResourceProvider* resourceProvider,
                           GrSurfaceContext* dstContext, const char* testName) {
 
     int pixelCnt = dstContext->width() * dstContext->height();
@@ -107,13 +107,12 @@
     for (auto flags : { kNone_GrSurfaceFlags, kRenderTarget_GrSurfaceFlag }) {
         copySrcDesc.fFlags = flags;
 
-        sk_sp<GrTextureProxy> src(GrSurfaceProxy::MakeDeferred(*context->caps(),
-                                                               context->resourceProvider(),
+        sk_sp<GrTextureProxy> src(GrSurfaceProxy::MakeDeferred(resourceProvider,
                                                                copySrcDesc,
                                                                SkBudgeted::kYes, pixels.get(), 0));
         dstContext->copy(src.get());
 
-        test_read_pixels(reporter, context, dstContext, pixels.get(), testName);
+        test_read_pixels(reporter, dstContext, pixels.get(), testName);
     }
 }