rename filterTextFlags to disableLCD

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 06f6eb7778fd8dd925af8fc5683ab924ed4b0f92..ba3433fd0eb921a3e6cf5acb85a2197a8fe0aefd 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1722,26 +1722,18 @@ void SkGpuDevice::drawTextOnPath(const SkDraw& draw, const void* text,
 
 ///////////////////////////////////////////////////////////////////////////////
 
-bool SkGpuDevice::filterTextFlags(const SkPaint& paint, TextFlags* flags) {
-    if (!paint.isLCDRenderText()) {
-        // we're cool with the paint as is
-        return false;
-    }
-
+bool SkGpuDevice::onDisableLCD(const SkPaint& paint) const {
     if (paint.getShader() ||
-        paint.getXfermode() || // unless its srcover
+        !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode) ||
         paint.getMaskFilter() ||
         paint.getRasterizer() ||
         paint.getColorFilter() ||
         paint.getPathEffect() ||
         paint.isFakeBoldText() ||
-        paint.getStyle() != SkPaint::kFill_Style) {
-        // turn off lcd, but turn on kGenA8
-        flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag;
-        flags->fFlags |= SkPaint::kGenA8FromLCD_Flag;
+        paint.getStyle() != SkPaint::kFill_Style)
+    {
         return true;
     }
-    // we're cool with the paint as is
     return false;
 }