move static arrays into impl, to avoid multiple copies

include/core/SkImageInfo.h

Index: include/core/SkImageInfo.h
diff --git a/include/core/SkImageInfo.h b/include/core/SkImageInfo.h
index 4b308c05d88ca736d69451f3b970c1bd71b30b12..1cac7ebc4deb44b1394b391c6151e4240a437478 100644
--- a/include/core/SkImageInfo.h
+++ b/include/core/SkImageInfo.h
@@ -86,42 +86,18 @@ enum SkColorType {
 #endif
 };
 
+extern const uint8_t gPrivate_SkColorTypeBytesPerPixel[];
+
 static int SkColorTypeBytesPerPixel(SkColorType ct) {
-    static const uint8_t gSize[] = {
-        0,  // Unknown
-        1,  // Alpha_8
-        2,  // RGB_565
-        2,  // ARGB_4444
-        4,  // RGBA_8888
-        4,  // BGRA_8888
-        1,  // kIndex_8
-        1,  // kGray_8
-        8,  // kRGBA_F16
-    };
-    static_assert(SK_ARRAY_COUNT(gSize) == (size_t)(kLastEnum_SkColorType + 1),
-                  "size_mismatch_with_SkColorType_enum");
-
-    SkASSERT((size_t)ct < SK_ARRAY_COUNT(gSize));
-    return gSize[ct];
+    SkASSERT((unsigned)ct <= (unsigned)kLastEnum_SkColorType);
+    return gPrivate_SkColorTypeBytesPerPixel[ct];
 }
 
+extern const uint8_t gPrivate_SkColorTypeShiftPerPixel[];
+
 static int SkColorTypeShiftPerPixel(SkColorType ct) {
-    static const uint8_t gShift[] = {
-        0,  // Unknown
-        0,  // Alpha_8
-        1,  // RGB_565
-        1,  // ARGB_4444
-        2,  // RGBA_8888
-        2,  // BGRA_8888
-        0,  // kIndex_8
-        0,  // kGray_8
-        3,  // kRGBA_F16
-    };
-    static_assert(SK_ARRAY_COUNT(gShift) == (size_t)(kLastEnum_SkColorType + 1),
-                  "size_mismatch_with_SkColorType_enum");
-    
-    SkASSERT((size_t)ct < SK_ARRAY_COUNT(gShift));
-    return gShift[ct];
+    SkASSERT((unsigned)ct <= (unsigned)kLastEnum_SkColorType);
+    return gPrivate_SkColorTypeShiftPerPixel[ct];
 }
 
 static inline size_t SkColorTypeMinRowBytes(SkColorType ct, int width) {