DevTools: fix janky transition in sensors panel

third_party/WebKit/Source/devtools/front_end/common/Geometry.js

Index: third_party/WebKit/Source/devtools/front_end/common/Geometry.js
diff --git a/third_party/WebKit/Source/devtools/front_end/common/Geometry.js b/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
index 4f51a59574eb9dd99ecc96100967259d8a417d48..eed79f946032bbb6ac6714f37e24566f26c994aa 100644
--- a/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
+++ b/third_party/WebKit/Source/devtools/front_end/common/Geometry.js
@@ -200,6 +200,25 @@ WebInspector.Geometry.EulerAngles.fromRotationMatrix = function(rotationMatrix)
     return new WebInspector.Geometry.EulerAngles(WebInspector.Geometry.radToDeg(alpha), WebInspector.Geometry.radToDeg(beta), WebInspector.Geometry.radToDeg(gamma));
 }
 
+WebInspector.Geometry.EulerAngles.prototype = {
+    /**
+     * @return {string}
+     */
+    toRotate3DString: function()
+    {
+        var gammaAxisY = Math.sin(WebInspector.Geometry.degToRad(this.beta));
+        var gammaAxisZ = Math.cos(WebInspector.Geometry.degToRad(this.beta));
+        var axis = {
+            alpha: [0, -1, 0],
+            beta: [1, 0, 0],
+            gamma: [0, gammaAxisY, gammaAxisZ]
+        };
+        return "rotate3d(" + axis.alpha.join(",") + "," + this.alpha + "deg) "
+            + "rotate3d(" + axis.beta.join(",") + "," + this.beta + "deg) "
+            + "rotate3d(" + axis.gamma.join(",") + "," + this.gamma + "deg)";
+    }
+}
+
 /**
  * @param {!WebInspector.Geometry.Vector} u
  * @param {!WebInspector.Geometry.Vector} v
@@ -268,6 +287,15 @@ WebInspector.Geometry.calculateAngle = function(u, v)
 }
 
 /**
+ * @param {number} deg
+ * @return {number}
+ */
+WebInspector.Geometry.degToRad = function(deg)

[lushnikov, 2016/05/16 21:51:08]

.toRadians = 

We avoid abbreviations as much as possible 

[luoe, 2016/05/16 22:15:56]

Sounds good.  I was trying to match the style of
"WebInspector.Geometry.radToDeg" which I found below.  I can change those
instances to radiansToDegrees as well.

+{
+    return deg * Math.PI / 180;
+}
+
+/**
  * @param {number} rad
  * @return {number}
  */