Remove GrInternalSurfaceFlags::kNoPendingIO as it is no longer needed

Since explicit allocation is always enabled now, the resource allocator explicitly manages reuse of GrSurfaces and this flag isn't used/needed.

Change-Id: I5703bf4624e21f9aff9da76575f4ef757b1d2589
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210140
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrProxyProvider.cpp b/src/gpu/GrProxyProvider.cpp
index 7d641be..95dc735 100644
--- a/src/gpu/GrProxyProvider.cpp
+++ b/src/gpu/GrProxyProvider.cpp
@@ -247,7 +247,6 @@
             surfaceFlags |= GrInternalSurfaceFlags::kMixedSampled;
         }
     }
-    surfaceFlags |= GrInternalSurfaceFlags::kNoPendingIO;
 
     GrSurfaceDesc desc;
     desc.fWidth = srcImage->width();
@@ -257,17 +256,13 @@
     desc.fConfig = config;
 
     sk_sp<GrTextureProxy> proxy = this->createLazyProxy(
-            [desc, budgeted, srcImage, fit, surfaceFlags](GrResourceProvider* resourceProvider) {
+            [desc, budgeted, srcImage, fit](GrResourceProvider* resourceProvider) {
                 SkPixmap pixMap;
                 SkAssertResult(srcImage->peekPixels(&pixMap));
                 GrMipLevel mipLevel = { pixMap.addr(), pixMap.rowBytes() };
 
-                auto resourceProviderFlags = GrResourceProvider::Flags::kNone;
-                if (surfaceFlags & GrInternalSurfaceFlags::kNoPendingIO) {
-                    resourceProviderFlags |= GrResourceProvider::Flags::kNoPendingIO;
-                }
                 return LazyInstantiationResult(resourceProvider->createTexture(
-                        desc, budgeted, fit, mipLevel, resourceProviderFlags));
+                        desc, budgeted, fit, mipLevel, GrResourceProvider::Flags::kNoPendingIO));
             },
             format, desc, kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo, surfaceFlags, fit, budgeted);
 
@@ -753,7 +748,7 @@
         LazyInstantiateCallback&& callback, const GrBackendFormat& format, Renderable renderable,
         GrSurfaceOrigin origin, GrPixelConfig config, const GrCaps& caps, int sampleCnt) {
     GrSurfaceDesc desc;
-    GrInternalSurfaceFlags surfaceFlags = GrInternalSurfaceFlags::kNoPendingIO;
+    GrInternalSurfaceFlags surfaceFlags = GrInternalSurfaceFlags::kNone;
     if (Renderable::kYes == renderable) {
         desc.fFlags = kRenderTarget_GrSurfaceFlag;
         if (sampleCnt > 1 && caps.usesMixedSamples()) {