fix no-gpu build

src/image/SkImage_Base.h

Index: src/image/SkImage_Base.h
diff --git a/src/image/SkImage_Base.h b/src/image/SkImage_Base.h
index 09971c1198de0333122fa3a9289ce7ba76009549..a1da0fa559f2f9f4bfdceb3486a086984017352b 100644
--- a/src/image/SkImage_Base.h
+++ b/src/image/SkImage_Base.h
@@ -8,11 +8,14 @@
 #ifndef SkImage_Base_DEFINED
 #define SkImage_Base_DEFINED
 
-#include "GrTexture.h"
 #include "SkAtomics.h"
 #include "SkImage.h"
 #include "SkSurface.h"
 
+#if SK_SUPPORT_GPU
+    #include "GrTexture.h"
+#endif
+
 #include <new>
 
 class GrTextureParams;
@@ -41,7 +44,9 @@ public:
                               int srcX, int srcY, CachingHint) const;
 
     virtual GrTexture* peekTexture() const { return nullptr; }
+#if SK_SUPPORT_GPU
     virtual sk_sp<GrTexture> refPinnedTexture(uint32_t* uniqueID) const { return nullptr; }
+#endif
     virtual SkImageCacherator* peekCacherator() const { return nullptr; }
 
     // return a read-only copy of the pixels. We promise to not modify them,