Add headers to gn/gni files for all of sky/engine

sky/engine/wtf/BUILD.gn

Index: sky/engine/wtf/BUILD.gn
diff --git a/sky/engine/wtf/BUILD.gn b/sky/engine/wtf/BUILD.gn
index 028cc5e12cb941617289c69d0ebdf3a7ea83fa32..3f0997feb1afa795f6afb1d40238edd604e570d2 100644
--- a/sky/engine/wtf/BUILD.gn
+++ b/sky/engine/wtf/BUILD.gn
@@ -6,7 +6,6 @@ visibility = ["//sky/*"]
 
 component("wtf") {
   sources = [
-    "ASCIICType.h",
     "AddressSpaceRandomization.cpp",
     "AddressSpaceRandomization.h",
     "Alignment.h",
@@ -21,6 +20,8 @@ component("wtf") {
     "ArrayBufferView.h",
     "ArrayPiece.cpp",
     "ArrayPiece.h",
+    "ASCIICType.h",
+    "asm/SaturatedArithmeticARM.h",
     "Assertions.cpp",
     "Assertions.h",
     "Atomics.h",
@@ -31,10 +32,10 @@ component("wtf") {
     "BloomFilter.h",
     "ByteOrder.h",
     "ByteSwap.h",
-    "CPU.h",
     "CheckedArithmetic.h",
     "Compiler.h",
     "Complex.h",
+    "CPU.h",
     "CryptographicallyRandomNumber.cpp",
     "CryptographicallyRandomNumber.h",
     "CurrentTime.cpp",
@@ -48,8 +49,29 @@ component("wtf") {
     "Deque.h",
     "DoubleBufferedDeque.h",
     "DoublyLinkedList.h",
+    "dtoa.cpp",
+    "dtoa.h",
+    "dtoa/bignum-dtoa.cc",
+    "dtoa/bignum-dtoa.h",
+    "dtoa/bignum.cc",
+    "dtoa/bignum.h",
+    "dtoa/cached-powers.cc",
+    "dtoa/cached-powers.h",
+    "dtoa/diy-fp.cc",
+    "dtoa/diy-fp.h",
+    "dtoa/double-conversion.cc",
+    "dtoa/double-conversion.h",
+    "dtoa/double.h",
+    "dtoa/fast-dtoa.cc",
+    "dtoa/fast-dtoa.h",
+    "dtoa/fixed-dtoa.cc",
+    "dtoa/fixed-dtoa.h",
+    "dtoa/strtod.cc",
+    "dtoa/strtod.h",
+    "dtoa/utils.h",
     "DynamicAnnotations.cpp",
     "DynamicAnnotations.h",
+    "EnumClass.h",
     "FastAllocBase.h",
     "FastMalloc.cpp",
     "FastMalloc.h",
@@ -76,6 +98,7 @@ component("wtf") {
     "Int8Array.h",
     "IntegralTypedArrayBase.h",
     "LeakAnnotations.h",
+    "LinkedHashSet.h",
     "LinkedStack.h",
     "ListHashSet.h",
     "Locker.h",
@@ -84,8 +107,8 @@ component("wtf") {
     "MallocZoneSupport.h",
     "MathExtras.h",
     "MessageQueue.h",
-    "NonCopyingSort.h",
     "Noncopyable.h",
+    "NonCopyingSort.h",
     "NotFound.h",
     "NullPtr.h",
     "OwnPtr.h",
@@ -100,62 +123,23 @@ component("wtf") {
     "PrintStream.cpp",
     "PrintStream.h",
     "ProcessID.h",
+    "RawPtr.h",
     "RefCounted.h",
     "RefCountedLeakCounter.cpp",
     "RefCountedLeakCounter.h",
     "RefPtr.h",
+    "RefVector.h",
     "SaturatedArithmetic.h",
     "SizeLimits.cpp",
     "SpinLock.h",
     "StaticConstructors.h",
     "StdLibExtras.h",
+    "StreamBuffer.h",
     "StringExtras.h",
     "StringHasher.h",
     "TemporaryChange.h",
-    "ThreadIdentifierDataPthreads.cpp",
-    "ThreadIdentifierDataPthreads.h",
-    "ThreadRestrictionVerifier.h",
-    "ThreadSafeRefCounted.h",
-    "ThreadSpecific.h",
-    "Threading.h",
-    "ThreadingPrimitives.h",
-    "ThreadingPthreads.cpp",
-    "TreeNode.h",
-    "TypeTraits.cpp",
-    "TypeTraits.h",
-    "TypedArrayBase.h",
-    "Uint16Array.h",
-    "Uint32Array.h",
-    "Uint8Array.h",
-    "Vector.h",
-    "VectorTraits.h",
-    "WTF.cpp",
-    "WTF.h",
-    "WTFExport.h",
-    "WTFThreadData.cpp",
-    "WTFThreadData.h",
-    "WeakPtr.h",
-    "asm/SaturatedArithmeticARM.h",
-    "dtoa.cpp",
-    "dtoa.h",
-    "dtoa/bignum-dtoa.cc",
-    "dtoa/bignum-dtoa.h",
-    "dtoa/bignum.cc",
-    "dtoa/bignum.h",
-    "dtoa/cached-powers.cc",
-    "dtoa/cached-powers.h",
-    "dtoa/diy-fp.cc",
-    "dtoa/diy-fp.h",
-    "dtoa/double-conversion.cc",
-    "dtoa/double-conversion.h",
-    "dtoa/double.h",
-    "dtoa/fast-dtoa.cc",
-    "dtoa/fast-dtoa.h",
-    "dtoa/fixed-dtoa.cc",
-    "dtoa/fixed-dtoa.h",
-    "dtoa/strtod.cc",
-    "dtoa/strtod.h",
-    "dtoa/utils.h",
+    "TerminatedArray.h",
+    "TerminatedArrayBuilder.h",
     "text/ASCIIFastPath.h",
     "text/AtomicString.cpp",
     "text/AtomicString.h",
@@ -174,31 +158,64 @@ component("wtf") {
     "text/StringImpl.h",
     "text/StringOperators.h",
     "text/StringStatics.cpp",
+    "text/StringStatics.h",
     "text/StringUTF8Adaptor.h",
     "text/StringView.h",
     "text/TextCodec.cpp",
+    "text/TextCodec.h",
     "text/TextCodecASCIIFastPath.h",
     "text/TextCodecICU.cpp",
+    "text/TextCodecICU.h",
     "text/TextCodecLatin1.cpp",
+    "text/TextCodecLatin1.h",
     "text/TextCodecReplacement.cpp",
     "text/TextCodecReplacement.h",
+    "text/TextCodecUserDefined.cpp",
+    "text/TextCodecUserDefined.h",
     "text/TextCodecUTF16.cpp",
+    "text/TextCodecUTF16.h",
     "text/TextCodecUTF8.cpp",
     "text/TextCodecUTF8.h",
-    "text/TextCodecUserDefined.cpp",
     "text/TextEncoding.cpp",
+    "text/TextEncoding.h",
     "text/TextEncodingRegistry.cpp",
+    "text/TextEncodingRegistry.h",
     "text/TextPosition.cpp",
     "text/TextPosition.h",
     "text/WTFString.cpp",
     "text/WTFString.h",
+    "ThreadIdentifierDataPthreads.cpp",
+    "ThreadIdentifierDataPthreads.h",
+    "Threading.h",
+    "ThreadingPrimitives.h",
+    "ThreadingPthreads.cpp",
+    "ThreadRestrictionVerifier.h",
+    "ThreadSafeRefCounted.h",
+    "ThreadSpecific.h",
+    "TreeNode.h",
+    "TriState.h",
+    "TypedArrayBase.h",
+    "TypeTraits.cpp",
+    "TypeTraits.h",
+    "Uint16Array.h",
+    "Uint32Array.h",
+    "Uint8Array.h",
+    "Uint8ClampedArray.h",
     "unicode/CharacterNames.h",
     "unicode/Collator.h",
-    "unicode/UTF8.cpp",
-    "unicode/UTF8.h",
-    "unicode/Unicode.h",
     "unicode/icu/CollatorICU.cpp",
     "unicode/icu/UnicodeIcu.h",
+    "unicode/Unicode.h",
+    "unicode/UTF8.cpp",
+    "unicode/UTF8.h",
+    "Vector.h",
+    "VectorTraits.h",
+    "WeakPtr.h",
+    "WTF.cpp",
+    "WTF.h",
+    "WTFExport.h",
+    "WTFThreadData.cpp",
+    "WTFThreadData.h",
   ]
 
   configs += [