Separate private headers for condition inclusion in BUILD file.

public.bzl

 ################################################################################
 # Skylark macros
 ################################################################################
 
 is_bazel = not hasattr(native, "genmpm")
 
 def portable_select(select_dict, bazel_condition, default_condition):
   """Replaces select() with a Bazel-friendly wrapper.
 
   Args:
@@ skipping 34 matching lines @@
     Equivalent of glob(srcs.include, exclude=srcs.exclude)
   """
   if hasattr(srcs, 'include'):
     if hasattr(srcs, 'exclude'):
       return native.glob(srcs.include, exclude=srcs.exclude)
     else:
       return native.glob(srcs.include)
   return []
 
 ################################################################################
+## PRIVATE_HDRS
+################################################################################
+
+PRIVATE_HDRS_LIST = [
+    "include/private/**/*",
+    "src/utils/SkWhitelistChecksums.cpp",
+]
+
+PRIVATE_HDRS = struct(
+    include = PRIVATE_HDRS_LIST,
+)
+
+################################################################################
 ## BASE_SRCS
 ################################################################################
 
 # All platform-independent SRCS.
 BASE_SRCS_ALL = struct(
     include = [
-        "include/private/*.h",
         "src/**/*.h",
         "src/**/*.cpp",
 
         # Third Party
         "third_party/etc1/*.cpp",
         "third_party/etc1/*.h",
         "third_party/ktx/*.cpp",
         "third_party/ktx/*.h",
     ],
-    exclude = [
+    exclude = PRIVATE_HDRS_LIST + [
         # Exclude platform-dependent files.
         "src/android/*",
         "src/codec/*",
         "src/device/xps/*",  # Windows-only. Move to ports?
         "src/doc/*_XPS.cpp",  # Windows-only. Move to ports?
         "src/fonts/SkFontMgr_fontconfig.cpp",
         "src/gpu/gl/android/*",
         "src/gpu/gl/egl/*",
         "src/gpu/gl/glfw/*",
         "src/gpu/gl/glx/*",
@@ skipping 219 matching lines @@
     ],
 )
 
 ################################################################################
 ## BASE_HDRS
 ################################################################################
 
 BASE_HDRS = struct(
     include = [
         "include/**/*.h",
-        "src/utils/SkWhitelistChecksums.cpp",
     ],
-    exclude = [
-        "include/private/**/*",
-
+    exclude = PRIVATE_HDRS_LIST + [
         # Not used.
         "include/animator/**/*",
         "include/views/**/*",
         "include/xml/SkBML_WXMLParser.h",
         "include/xml/SkBML_XMLParser.h",
     ],
 )
 
 ################################################################################
 ## BASE_DEPS
@@ skipping 230 matching lines @@
 
 LINKOPTS_ANDROID = [
     "-lEGL",
 ]
 
 LINKOPTS_IOS = []
 
 LINKOPTS_ALL = [
     "-ldl",
 ]