Implement <webview>.addContentScript/removeContentScript API [3]

chrome/test/data/webui/webview_execute_script_test.js

Index: chrome/test/data/webui/webview_execute_script_test.js
diff --git a/chrome/test/data/webui/webview_execute_script_test.js b/chrome/test/data/webui/webview_execute_script_test.js
index b59666e6444d37230d3aeb6f7ca375ebd9907379..39c5aa4ba5e816a8634b47ecded17cc5d058f77d 100644
--- a/chrome/test/data/webui/webview_execute_script_test.js
+++ b/chrome/test/data/webui/webview_execute_script_test.js
@@ -379,3 +379,24 @@ function testContentScriptIsInjectedAfterTerminateAndReloadWebView(url) {
   webview.src = url;
   document.body.appendChild(webview);
 }
+
+function testAddContentScriptWithCode(url) {
+  var webview = document.createElement('webview');
+
+  console.log("Step 1: call <webview>.addContentScripts.");
+  webview.addContentScripts(
+      [{"name": 'myrule',
+        "matches": ["http://*/empty*"],
+        "code": ["document.body.style.backgroundColor = \"red\";"],
+        "run_at": "document_end"}]);
+
+  webview.addEventListener('loadstop', function() {
+    console.log('Step 2: call webview.executeScript() to check result.')
+    webview.executeScript({
+      code: "document.body.style.backgroundColor;"
+    }, onGetBackgroundExecuted);
+  });
+
+  webview.src = url;
+  document.body.appendChild(webview);
+}