Devtools Animations: Support multiple frames in the animation timeline

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 4853 matching lines @@
             },
             {
                 "id": "KeyframeStyle",
                 "type": "object",
                 "properties": [
                     { "name": "offset", "type": "string", "description": "Keyframe's time offset." },
                     { "name": "style", "$ref": "CSS.CSSStyle", "description": "Keyframe's associated CSS style declaration." },
                     { "name": "easing", "type": "string", "description": "<code>AnimationNode</code>'s timing function." }
                 ],
                 "description": "Keyframe Style"
+            },
+            {
+                "id": "AnimationStartTime",
+                "type": "object",
+                "properties": [
+                    { "name": "id", "type": "string", "description": "<code>AnimationPlayer</code>'s id." },

[pfeldman, 2015/04/01 13:06:45]

For the ids, we typically introduce a separate type "AnimationPlayerId" in this
case that inherits from string. Then we call parameters using full qualified
names such as animationPlayerId: AnimationPlayerId.

[samli, 2015/04/02 09:58:00]

Done.

+                    { "name": "startTime", "type": "number", "description": "Updated normalized <code>AnimationPlayer</code>'s start time." }

[pfeldman, 2015/04/01 13:06:45]

Is this monotonicallyIncreasingTime or wall?

[samli, 2015/04/02 09:58:00]

Monotonically increasing time.

+                ],
+                "description": "Map from animation id to animation start time"
             }
         ],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables animation domain notifications."
             },
             {
                 "name": "getAnimationPlayersForNode",
                 "parameters": [
@@ skipping 11 matching lines @@
                 "returns": [
                     { "name": "playbackRate", "type": "number", "description": "Playback rate for animations on page."}
                 ],
                 "description": "Gets the playback rate of the document timeline."
             },
             {
                 "name": "setPlaybackRate",
                 "parameters": [
                     { "name": "playbackRate", "type": "number", "description": "Playback rate for animations on page" }
                 ],
+                "returns": [
+                    { "name": "animationStartTimes", "type": "array", "items": { "$ref": "AnimationStartTime" }, "description": "List of updated animation start times." }
+                ],
                 "description": "Sets the playback rate of the document timeline."
             },
             {
                 "name": "setCurrentTime",
                 "parameters": [
-                    { "name": "currentTime", "type": "number", "description": "Current time for the page animation timeline" }
+                    { "name": "normalisedCurrentTime", "type": "number", "description": "Current time for the page animation timeline" }

[pfeldman, 2015/04/01 13:06:45]

normalizedCurrentTime

[samli, 2015/04/02 09:58:00]

Done.

+                ],
+                "returns": [
+                    { "name": "animationStartTimes", "type": "array", "items": { "$ref": "AnimationStartTime" }, "description": "List of updated animation start times." }
                 ],
                 "description": "Sets the current time of the document timeline."
             },
             {
                 "name": "setTiming",
                 "parameters": [
                     { "name": "playerId", "type": "string", "description": "AnimationPlayer id." },
                     { "name": "duration", "type": "number", "description": "Duration of the animation." },
                     { "name": "delay", "type": "number", "description": "Delay of the animation." }
                 ],
@@ skipping 134 matching lines @@
                 ],
                 "returns": [
                     { "name": "accessibilityNode", "$ref": "AXNode", "description": "The <code>Accessibility.AXNode</code> for this DOM node, if it exists.", "optional": true }
                 ],
                 "description": "Fetches the accessibility node for this DOM node, if it exists.",
                 "hidden": true
             }
         ]
     }]
 }