[tracing] Move math utilities from base into their own subdirectory (attempt 2)

tracing/tracing/ui/base/camera_test.html

Index: tracing/tracing/ui/base/camera_test.html
diff --git a/tracing/tracing/ui/base/camera_test.html b/tracing/tracing/ui/base/camera_test.html
index 1908781b10de3ff5b4efc87704c750d33603234e..b7c6d632a9990315ea8af53bce3e00d94d413fbe 100644
--- a/tracing/tracing/ui/base/camera_test.html
+++ b/tracing/tracing/ui/base/camera_test.html
@@ -4,9 +4,9 @@ Copyright (c) 2014 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
-<link rel="import" href="/tracing/base/bbox2.html">
-<link rel="import" href="/tracing/base/quad.html">
-<link rel="import" href="/tracing/base/rect.html">
+<link rel="import" href="/tracing/base/math/bbox2.html">
+<link rel="import" href="/tracing/base/math/quad.html">
+<link rel="import" href="/tracing/base/math/rect.html">
 <link rel="import" href="/tracing/ui/base/quad_stack_view.html">
 <script>
 'use strict';
@@ -14,14 +14,14 @@ found in the LICENSE file.
 tr.b.unittest.testSuite(function() {
   function createQuads() {
     var quads = [
-      tr.b.Quad.fromXYWH(-500, -500, 30, 30), // 4 corners
-      tr.b.Quad.fromXYWH(-500, 470, 30, 30),
-      tr.b.Quad.fromXYWH(470, -500, 30, 30),
-      tr.b.Quad.fromXYWH(470, 470, 30, 30),
-      tr.b.Quad.fromXYWH(-250, -250, 250, 250), // crosshairs
-      tr.b.Quad.fromXYWH(0, -250, 250, 250), // crosshairs
-      tr.b.Quad.fromXYWH(-250, 0, 250, 250), // crosshairs
-      tr.b.Quad.fromXYWH(0, 0, 250, 250) // crosshairs
+      tr.b.math.Quad.fromXYWH(-500, -500, 30, 30), // 4 corners
+      tr.b.math.Quad.fromXYWH(-500, 470, 30, 30),
+      tr.b.math.Quad.fromXYWH(470, -500, 30, 30),
+      tr.b.math.Quad.fromXYWH(470, 470, 30, 30),
+      tr.b.math.Quad.fromXYWH(-250, -250, 250, 250), // crosshairs
+      tr.b.math.Quad.fromXYWH(0, -250, 250, 250), // crosshairs
+      tr.b.math.Quad.fromXYWH(-250, 0, 250, 250), // crosshairs
+      tr.b.math.Quad.fromXYWH(0, 0, 250, 250) // crosshairs
     ];
     quads[0].stackingGroupId = 0;
     quads[1].stackingGroupId = 0;
@@ -40,7 +40,7 @@ tr.b.unittest.testSuite(function() {
     // simulate the constraints of the layer-tree-view
     view.style.height = '400px';
     view.style.width = '800px';
-    view.deviceRect = tr.b.Rect.fromXYWH(-250, -250, 500, 500);
+    view.deviceRect = tr.b.math.Rect.fromXYWH(-250, -250, 500, 500);
     view.quads = quads;
 
     testFramework.addHTMLOutput(view);