Add SkSourceGammaTreatment enum so we know how to create mips

src/gpu/GrImageIDTextureAdjuster.cpp

Index: src/gpu/GrImageIDTextureAdjuster.cpp
diff --git a/src/gpu/GrImageIDTextureAdjuster.cpp b/src/gpu/GrImageIDTextureAdjuster.cpp
index 21c2f333589b9b1d913220c4063daa99a6475d60..6e5819b18453f94c9b113754123333dcfe3dc3a0 100644
--- a/src/gpu/GrImageIDTextureAdjuster.cpp
+++ b/src/gpu/GrImageIDTextureAdjuster.cpp
@@ -81,7 +81,7 @@ GrBitmapTextureMaker::GrBitmapTextureMaker(GrContext* context, const SkBitmap& b
     }
 }
 
-GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped) {
+GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped, bool gammaCorrect) {
     GrTexture* tex = nullptr;
 
     if (fOriginalKey.isValid()) {
@@ -91,7 +91,7 @@ GrTexture* GrBitmapTextureMaker::refOriginalTexture(bool willBeMipped) {
         }
     }
     if (willBeMipped) {
-        tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap);
+        tex = GrGenerateMipMapsAndUploadToTexture(this->context(), fBitmap, gammaCorrect);
     }
     if (!tex) {
         tex = GrUploadBitmapToTexture(this->context(), fBitmap);
@@ -130,8 +130,9 @@ GrImageTextureMaker::GrImageTextureMaker(GrContext* context, SkImageCacherator*
     }
 }
 
-GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped) {
-    return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped);
+GrTexture* GrImageTextureMaker::refOriginalTexture(bool willBeMipped, bool gammaCorrect) {
+    return fCacher->lockTexture(this->context(), fOriginalKey, fClient, fCachingHint, willBeMipped,
+                                gammaCorrect);
 }
 
 void GrImageTextureMaker::makeCopyKey(const CopyParams& stretch, GrUniqueKey* paramsCopyKey) {