Make possible restarting extensions from the chrome://extensions/ page....

chrome/browser/resources/extensions_ui.html

Index: chrome/browser/resources/extensions_ui.html
===================================================================
--- chrome/browser/resources/extensions_ui.html	(revision 21643)
+++ chrome/browser/resources/extensions_ui.html	(working copy)
@@ -125,6 +125,14 @@
 }
 
 /**
+ * Handles a 'reload' button getting clicked.
+ */
+function handleReloadExtension(node) {
+  // Tell the C++ ExtensionDOMHandler to reload the extension.
+  chrome.send('reload', [node.extensionId]);
+}
+
+/**
  * Handles an 'uninstall' button getting clicked.
  */
 function handleUninstallExtension(node) {
@@ -170,8 +178,8 @@
   text-align: left;
 }
 
-div.extension-uninstall {
-  margin-bottom: 1em;
+div.extension-actions {
+  margin: 1em;
 }
 
 dl {
@@ -250,9 +258,13 @@
         <div jsdisplay="extensions.length > 0">
           <div class="extension" jsselect="extensions">
             <div class="extension-name" jscontent="name">Extension Name</div>
-            <div class="extension-uninstall">
+            <div class="extension-actions">
               <button
                 jsvalues=".extensionId:id"
+                onclick="handleReloadExtension(this)"
+                >Reload</button>
+              <button
+                jsvalues=".extensionId:id"
                 onclick="handleUninstallExtension(this)"
                 >Uninstall</button>
             </div>