Rename lots of things from 'sRGB' to 'GammaCorrect', where appropriate

gm/textblobmixedsizes.cpp

Index: gm/textblobmixedsizes.cpp
diff --git a/gm/textblobmixedsizes.cpp b/gm/textblobmixedsizes.cpp
index e7eda399fc0b38fba8ec59aeed9fd259400bcba4..9e57c2fe975245d56b7563d02757da0079ed45bd 100644
--- a/gm/textblobmixedsizes.cpp
+++ b/gm/textblobmixedsizes.cpp
@@ -106,9 +106,9 @@ protected:
             SkImageInfo info = SkImageInfo::MakeN32Premul(onISize(),
                                                           inputCanvas->imageInfo().profileType());
             SkSurfaceProps canvasProps(SkSurfaceProps::kLegacyFontHost_InitType);
-            uint32_t allowSRGBInputs = inputCanvas->getProps(&canvasProps)
-                ? canvasProps.flags() & SkSurfaceProps::kAllowSRGBInputs_Flag : 0;
-            SkSurfaceProps props(SkSurfaceProps::kUseDeviceIndependentFonts_Flag | allowSRGBInputs,
+            uint32_t gammaCorrect = inputCanvas->getProps(&canvasProps)
+                ? canvasProps.flags() & SkSurfaceProps::kGammaCorrect_Flag : 0;
+            SkSurfaceProps props(SkSurfaceProps::kUseDeviceIndependentFonts_Flag | gammaCorrect,
                                  SkSurfaceProps::kLegacyFontHost_InitType);
             surface = SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info, 0, &props);
             canvas = surface.get() ? surface->getCanvas() : inputCanvas;