move static arrays into impl, to avoid multiple copies

src/core/SkImageInfo.cpp

Index: src/core/SkImageInfo.cpp
diff --git a/src/core/SkImageInfo.cpp b/src/core/SkImageInfo.cpp
index 16f0a0109cc3b8b694cd56dda6bcbe0d8f83485d..6b6fb17d35fffe5a3acb4b797cf257b00732c45a 100644
--- a/src/core/SkImageInfo.cpp
+++ b/src/core/SkImageInfo.cpp
@@ -9,6 +9,34 @@
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 
+const uint8_t gPrivate_SkColorTypeBytesPerPixel[] = {
+    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(gPrivate_SkColorTypeBytesPerPixel) == (size_t)(kLastEnum_SkColorType + 1),
+              "size_mismatch_with_SkColorType_enum");
+
+const uint8_t gPrivate_SkColorTypeShiftPerPixel[] = {
+    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(gPrivate_SkColorTypeShiftPerPixel) == (size_t)(kLastEnum_SkColorType + 1),
+              "size_mismatch_with_SkColorType_enum");
+
 static bool profile_type_is_valid(SkColorProfileType profileType) {
     return (profileType >= 0) && (profileType <= kLastEnum_SkColorProfileType);
 }