Add the gears.js demo and all the code changes needed to get it working, including

experimental/SkV8Example/path.js

Index: experimental/SkV8Example/path.js
diff --git a/experimental/SkV8Example/path.js b/experimental/SkV8Example/path.js
index a7b2c28d46078acd2c779c381c75b0b8d11d1b38..8231cb4a367b9879cabef362738f328a49369177 100644
--- a/experimental/SkV8Example/path.js
+++ b/experimental/SkV8Example/path.js
@@ -11,7 +11,7 @@ var onDraw = function(){
     function f(context) {
         context.translate(10, 10);
         for (var i=0; i<256; i++) {
-            context.fillStyle = '#0000' + toHex(i);
+            context.strokeStyle = '#0000' + toHex(i);
             context.stroke(p);
             context.translate(1, 0);
         }
@@ -19,7 +19,6 @@ var onDraw = function(){
         print(context.width, context.height);
         context.resetTransform();
         context.fillRect(context.width/2, context.height/2, 20, 20);
-
     };
     return f;
 }();