Skip the sRGB mip-map testing on command buffer

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 168acdec735db31e89c8389f1fd12073642f31b9..5a0864e8cf773e31f14f8d4e6dab42e36069429d 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -52,6 +52,7 @@ GrGLCaps::GrGLCaps(const GrContextOptions& contextOptions,
     fRGBAToBGRAReadbackConversionsAreSlow = false;
     fDoManualMipmapping = false;
     fSRGBDecodeDisableSupport = false;
+    fSRGBDecodeDisableAffectsMipmaps = false;
 
     fBlitFramebufferFlags = kNoSupport_BlitFramebufferFlag;
 
@@ -609,6 +610,8 @@ void GrGLCaps::init(const GrContextOptions& contextOptions,
     }
 
     fSRGBDecodeDisableSupport = ctxInfo.hasExtension("GL_EXT_texture_sRGB_decode");
+    fSRGBDecodeDisableAffectsMipmaps = fSRGBDecodeDisableSupport &&
+        kChromium_GrGLDriver != ctxInfo.driver();
 
     // Requires fTextureRedSupport, fTextureSwizzleSupport, msaa support, ES compatibility have
     // already been detected.