Implement a parser for Content-Disposition header fields

third_party/WebKit/Source/platform/BUILD.gn

Index: third_party/WebKit/Source/platform/BUILD.gn
diff --git a/third_party/WebKit/Source/platform/BUILD.gn b/third_party/WebKit/Source/platform/BUILD.gn
index b6690e2c67787b64a7c2d542410f5e3a615b3882..d00c0f7acd042c50c9193e8933c5408423de8718 100644
--- a/third_party/WebKit/Source/platform/BUILD.gn
+++ b/third_party/WebKit/Source/platform/BUILD.gn
@@ -1222,6 +1222,8 @@ component("platform") {
     "network/HTTPHeaderMap.h",
     "network/HTTPParsers.cpp",
     "network/HTTPParsers.h",
+    "network/HeaderFieldTokenizer.cpp",
+    "network/HeaderFieldTokenizer.h",
     "network/NetworkHints.cpp",
     "network/NetworkHints.h",
     "network/NetworkInstrumentation.cpp",
@@ -1231,6 +1233,10 @@ component("platform") {
     "network/NetworkStateNotifier.h",
     "network/NetworkUtils.cpp",
     "network/NetworkUtils.h",
+    "network/ParsedContentDisposition.cpp",
+    "network/ParsedContentDisposition.h",
+    "network/ParsedContentHeaderFieldParameters.cpp",
+    "network/ParsedContentHeaderFieldParameters.h",
     "network/ParsedContentType.cpp",
     "network/ParsedContentType.h",
     "network/WebSocketHandshakeRequest.cpp",
@@ -1889,6 +1895,8 @@ test("blink_platform_unittests") {
     "network/HTTPParsersTest.cpp",
     "network/NetworkStateNotifierTest.cpp",
     "network/NetworkUtilsTest.cpp",
+    "network/ParsedContentDispositionTest.cpp",
+    "network/ParsedContentHeaderFieldParametersTest.cpp",
     "network/ParsedContentTypeTest.cpp",
     "network/mime/MIMETypeRegistryTest.cpp",
     "scheduler/base/intrusive_heap_unittest.cc",