<webview>: Reduce test flake.

chrome/test/data/extensions/platform_apps/web_view/edit_commands/inject_edit_commands.js

Index: chrome/test/data/extensions/platform_apps/web_view/edit_commands/inject_edit_commands.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/pointerlock/inject_pointer_lock.js b/chrome/test/data/extensions/platform_apps/web_view/edit_commands/inject_edit_commands.js
similarity index 65%
copy from chrome/test/data/extensions/platform_apps/web_view/pointerlock/inject_pointer_lock.js
copy to chrome/test/data/extensions/platform_apps/web_view/edit_commands/inject_edit_commands.js
index 75a757ccb77155855a45f895bba0d4537c9a748e..b8886409c3a43072844ad6a8237569c6d803778c 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/pointerlock/inject_pointer_lock.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/edit_commands/inject_edit_commands.js
@@ -12,18 +12,17 @@ window.addEventListener('message', function(e) {
     return;
   }
 
-  if (data == 'start-pointerlock') {
-    document.body.webkitRequestPointerLock();
+  if (data[0] == 'select-all') {
+    var range = document.createRange();
+    range.selectNode(document.body);
+    window.getSelection().addRange(range);
+    var msg = ['selected-all'];
+    embedder.postMessage(JSON.stringify(msg), '*');
     return;
   }
 });
 
-document.addEventListener('webkitpointerlockchange', function(e) {
-  if (!!document.webkitPointerLockElement) {
-    var msg = ['acquired-pointerlock'];
-    embedder.postMessage(JSON.stringify(msg), '*');
-    return;
-  }
-  var msg = ['lost-pointerlock'];
+window.addEventListener('copy', function(e) {
+  var msg = ['copy'];
   embedder.postMessage(JSON.stringify(msg), '*');
 });