Implement browserAction.setIcon(ImageData) for extensions.

chrome/renderer/resources/extension_process_bindings.js

 // Copyright (c) 2009 The chrome Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // -----------------------------------------------------------------------------
 // NOTE: If you change this file you need to touch renderer_resources.grd to
 // have your change take effect.
 // -----------------------------------------------------------------------------
 
 // This script contains privileged chrome extension related javascript APIs.
 // It is loaded by pages whose URL has the chrome-extension protocol.
 
 var chrome = chrome || {};
 (function() {
   native function GetExtensionAPIDefinition();
   native function StartRequest();
   native function GetCurrentPageActions(extensionId);
   native function GetExtensionViews();
   native function GetChromeHidden();
   native function GetNextRequestId();
   native function OpenChannelToTab();
   native function GetRenderViewId();
   native function GetL10nMessage();
+  native function SetBrowserActionIcon();
 
   if (!chrome)
     chrome = {};
 
   var chromeHidden = GetChromeHidden();
 
   // Validate arguments.
   chromeHidden.validationTypes = [];
   chromeHidden.validate = function(args, schemas) {
     if (args.length > schemas.length)
@@ skipping 134 matching lines @@
     // JSON.stringify doesn't support a root object which is undefined.
     if (request.args === undefined)
       request.args = null;
     var sargs = JSON.stringify(request.args);
     var requestId = GetNextRequestId();
     requests[requestId] = request;
     return StartRequest(functionName, sargs, requestId,
                         request.callback ? true : false);
   }
 
+  // Send a special API request that is not JSON stringifiable, and optionally
+  // register a callback.
+  function sendCustomRequest(nativeFunction, functionName, args, argSchemas) {
+    var request = prepareRequest(args, argSchemas);
+    var requestId = GetNextRequestId();
+    requests[requestId] = request;
+    return nativeFunction(functionName, args, requestId,
+                          request.callback ? true : false);
+  }
+
   function bind(obj, func) {
     return function() {
       return func.apply(obj, arguments);
     };
   }
 
   // --- Setup additional api's not currently handled in common/extensions/api
 
   // Page action events send (pageActionId, {tabId, tabUrl}).
   function setupPageActionEvents(extensionId) {
@@ skipping 134 matching lines @@
         tabIdProxy[name] = new chrome.Event("devtools." + tabId + "." + name);
       });
       return tabIdProxy;
     }
 
     apiFunctions["i18n.getMessage"].handleRequest =
         function(message_name, placeholders) {
       return GetL10nMessage(message_name, placeholders);
     }
 
+    apiFunctions["browserAction.setIcon"].handleRequest =
+        function(idOrImageData) {
+      if (typeof(idOrImageData) == "number") {
+        sendRequest(this.name, arguments, this.definition.parameters);
+      } else if (typeof(idOrImageData) == "object") {
+        sendCustomRequest(SetBrowserActionIcon, "browserAction.setIcon",
+                          idOrImageData, this.definition.parameters);
+      }
+    }
+
     setupPageActionEvents(extensionId);
     setupBrowserActionEvent(extensionId);
     setupToolstripEvents(GetRenderViewId());
   });
 })();