Improve usage of window rectangles

tests/ProxyTest.cpp

Index: tests/ProxyTest.cpp
diff --git a/tests/ProxyTest.cpp b/tests/ProxyTest.cpp
index 45d3945c7ff6995a08f3a401656c00298501c3d6..c11b9cd3eb18d8c364856d6783d0957e8661fe41 100644
--- a/tests/ProxyTest.cpp
+++ b/tests/ProxyTest.cpp
@@ -157,7 +157,8 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
                         GrGpu* gpu = ctxInfo.grContext()->getGpu();
                         sk_sp<GrRenderTarget> defaultFBO(
                             gpu->wrapBackendRenderTarget(backendDesc, kBorrow_GrWrapOwnership));
-                        SkASSERT(!defaultFBO->renderTargetPriv().supportsWindowRectangles());
+                        REPORTER_ASSERT(reporter,
+                                        !defaultFBO->renderTargetPriv().maxWindowRectangles());
 
                         sk_sp<GrRenderTargetProxy> rtProxy(
                             GrRenderTargetProxy::Make(caps, defaultFBO));
@@ -173,8 +174,9 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
                         desc.fFlags = kRenderTarget_GrSurfaceFlag;
                         tex.reset(provider->createTexture(desc, budgeted));
                         sk_sp<GrRenderTarget> rt(sk_ref_sp(tex->asRenderTarget()));
-                        SkASSERT(caps.maxWindowRectangles() <= 0 ||
-                                rt->renderTargetPriv().supportsWindowRectangles());
+                        REPORTER_ASSERT(reporter,
+                                        caps.maxWindowRectangles() ==
+                                        rt->renderTargetPriv().maxWindowRectangles());
 
                         sk_sp<GrRenderTargetProxy> rtProxy(GrRenderTargetProxy::Make(caps, rt));
                         check_surface(reporter, rtProxy.get(), origin,