Some visual tweaks to the virtual keyboard.

chrome/browser/resources/keyboard/shift.svg

Index: chrome/browser/resources/keyboard/shift.svg
diff --git a/chrome/browser/resources/keyboard/shift.svg b/chrome/browser/resources/keyboard/shift.svg
index 08d8c8ac0308c175a79166f24c730e22e3447199..1e5dfa06e5629831ce09eaa155b47e0513a83f42 100644
--- a/chrome/browser/resources/keyboard/shift.svg
+++ b/chrome/browser/resources/keyboard/shift.svg
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 14.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 43363)  -->
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="50px" height="50px" viewBox="10 10 30 30">
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" width="50px" height="50px" viewBox="10 10 30 30">
 <!-- TODO(fsamuel): remove the width and height workaround above after fixing SVG bug -->
 <g>
 	<path fill="#bababb" d="M23,29.25c-0.138,0-0.25-0.112-0.25-0.25v-2.75H20c-0.101,0-0.192-0.061-0.231-0.154