DevTools: move tracing based Timeline out of experiment

LayoutTests/inspector/timeline/timeline-decode-resize-expected.txt

Index: LayoutTests/inspector/timeline/timeline-decode-resize-expected.txt
diff --git a/LayoutTests/inspector/timeline/timeline-decode-resize-expected.txt b/LayoutTests/inspector/timeline/timeline-decode-resize-expected.txt
deleted file mode 100644
index c64ee61a82a6720ff4bfa9f69851bce53aa36c9c..0000000000000000000000000000000000000000
--- a/LayoutTests/inspector/timeline/timeline-decode-resize-expected.txt
+++ /dev/null
@@ -1,88 +0,0 @@
-Tests the Timeline API instrumentation of a DecodeImage and ResizeImage events
-
-
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "BMP"
-        url : .../inspector/timeline/resources/test.bmp
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "GIF"
-        url : .../inspector/timeline/resources/test.gif
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "ICO"
-        url : .../inspector/timeline/resources/test.ico
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "JPEG"
-        url : .../inspector/timeline/resources/test.jpg
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "PNG"
-        url : .../inspector/timeline/resources/test.png
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "WEBP"
-        url : .../inspector/timeline/resources/test.webp
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "PNG"
-        url : .../inspector/timeline/resources/big.png
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-