DevTools: adopt existing Timeline tests for tracing based Timeline

LayoutTests/inspector/tracing/decode-resize.html

Index: LayoutTests/inspector/tracing/decode-resize.html
diff --git a/LayoutTests/inspector/timeline/tracing/decode-resize.html b/LayoutTests/inspector/tracing/decode-resize.html
similarity index 76%
rename from LayoutTests/inspector/timeline/tracing/decode-resize.html
rename to LayoutTests/inspector/tracing/decode-resize.html
index 10414e129691da2d2ddfd09c43a58c409e9ff137..12f7e963196a76e37d54b074b6766efa3b46b3fa 100644
--- a/LayoutTests/inspector/timeline/tracing/decode-resize.html
+++ b/LayoutTests/inspector/tracing/decode-resize.html
@@ -8,19 +8,19 @@ div#img-container {
     overflow: clip;
 }
 </style>
-<script src="../../../http/tests/inspector/inspector-test.js"></script>
-<script src="../../../http/tests/inspector/timeline-test.js"></script>
-<script src="../../tracing-test.js"></script>
+<script src="../../http/tests/inspector/inspector-test.js"></script>
+<script src="../../http/tests/inspector/timeline-test.js"></script>
+<script src="../tracing-test.js"></script>
 <script>
 
 var images = [
-    ["../resources/test.bmp", "25", "25"],
-    ["../resources/test.gif", "25", "25"],
-    ["../resources/test.ico", "25", "25"],
-    ["../resources/test.jpg", "25", "25"],
-    ["../resources/test.png", "25", "25"],
-    ["../resources/test.webp", "25", "25"],
-    ["../resources/big.png", "150", "150"]
+    ["../timeline/resources/test.bmp", "25", "25"],
+    ["../timeline/resources/test.gif", "25", "25"],
+    ["../timeline/resources/test.ico", "25", "25"],
+    ["../timeline/resources/test.jpg", "25", "25"],
+    ["../timeline/resources/test.png", "25", "25"],
+    ["../timeline/resources/test.webp", "25", "25"],
+    ["../timeline/resources/big.png", "150", "150"]
 ];
 
 function showImages(callback)