remove experimental treat-skcolor-as-srgb flag

samplecode/SampleApp.cpp

Index: samplecode/SampleApp.cpp
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index b80ea44d30df6bd900c213fb26530c001650f597..a1e42e3aacd76f4eb552f77c4a930cc2f793847e 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -834,8 +834,6 @@ SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* dev
     itemID = fAppMenu->appendList("ColorType", "ColorType", sinkID, 0,
                                   gConfig[0].fName, gConfig[1].fName, gConfig[2].fName, nullptr);
     fAppMenu->assignKeyEquivalentToItem(itemID, 'C');
-    itemID = fAppMenu->appendSwitch("sRGB SkColor", "sRGB SkColor", sinkID, gTreatSkColorAsSRGB);
-    fAppMenu->assignKeyEquivalentToItem(itemID, 'S');
 
     itemID = fAppMenu->appendList("Device Type", "Device Type", sinkID, 0,
                                   "Raster",
@@ -1549,8 +1547,7 @@ bool SampleWindow::onEvent(const SkEvent& evt) {
         SkOSMenu::FindListIndex(evt, "Hinting", &fHintingState) ||
         SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) ||
         SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) ||
-        SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) ||
-        SkOSMenu::FindSwitchState(evt, "sRGB SkColor", &gTreatSkColorAsSRGB))
+        SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify))
     {
         this->inval(nullptr);
         this->updateTitle();
@@ -2060,10 +2057,6 @@ void SampleWindow::updateTitle() {
         title.appendf(" %d bpc", fDevManager->getColorBits());
     }
 
-    if (gTreatSkColorAsSRGB) {
-        title.append(" sRGB");
-    }
-
     this->setTitle(title.c_str());
 }