Compute effective touch action in StyleAdjuster.

third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5

Index: third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
diff --git a/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5 b/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
index 3386f60d1a9484c0d8a323308615d2fc3e69a510..3cc7950235194a13cb05fdce06bd87fc7bd7a5cc 100644
--- a/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
+++ b/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
@@ -482,6 +482,15 @@
       default_value: "-1",
       field_group: "rare-inherited",
     },
+    {
+      name: "EffectiveTouchAction",
+      inherited: true,
+      field_template: "storage_only",
+      include_paths: ["platform/graphics/TouchAction.h"],
+      type_name: "TouchAction",
+      default_value: "TouchAction::kTouchActionAuto",
+      field_group: "rare-inherited",

[shend, 2017/06/30 03:05:40]

Adding "field_size: 6" would pack the storage of this field as a bit field of
size 6 (6 is from [1]). This saves space and it also means that you won't need
to put TouchAction into the ALIGNMENT_ORDER list (see comment (A)).

[1]
https://cs.chromium.org/chromium/src/cc/input/touch_action.h?q=TouchAction&sq...

[sunxd, 2017/07/04 15:35:42]

Done.

+    },
     {
       name: "TextEmphasisCustomMark",
       inherited: true,