Calling webview.focus() now works correctly

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <queue>
 
 #include "base/location.h"
 #include "base/path_service.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 2380 matching lines @@
 #define MAYBE_WebViewInBackgroundPage \
     DISABLED_WebViewInBackgroundPage
 #else
 #define MAYBE_WebViewInBackgroundPage WebViewInBackgroundPage
 #endif
 IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_WebViewInBackgroundPage) {
   ASSERT_TRUE(RunExtensionTest("platform_apps/web_view/background"))
       << message_;
 }
 
-// This test verifies that the allowtransparency attribute properly propagates
+// This test verifies that the allowtransparency attribute properly propagates.
 IN_PROC_BROWSER_TEST_F(WebViewTest, AllowTransparencyAndAllowScalingPropagate) {
   LoadAppWithGuest("web_view/simple");
 
   ASSERT_TRUE(GetGuestWebContents());
   extensions::WebViewGuest* guest =
       extensions::WebViewGuest::FromWebContents(GetGuestWebContents());
   ASSERT_TRUE(guest->allow_transparency());
   ASSERT_TRUE(guest->allow_scaling());
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewCommonTest, BasicPostMessage) {
   ASSERT_TRUE(StartEmbeddedTestServer());  // For serving guest pages.
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/web_view/post_message/basic"))
       << message_;
 }
 
 // Tests that webviews do get garbage collected.
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestGarbageCollect) {
   TestHelper("testGarbageCollect", "web_view/shim", NO_TEST_SERVER);
   GetGuestViewManager()->WaitForSingleViewGarbageCollected();
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestCloseNewWindowCleanup) {
   TestHelper("testCloseNewWindowCleanup", "web_view/shim", NEEDS_TEST_SERVER);
   auto gvm = GetGuestViewManager();
   gvm->WaitForLastGuestDeleted();
   ASSERT_EQ(gvm->num_embedder_processes_destroyed(), 0);
 }
 
+// Ensure that focusing a WebView while it is already focused does not blur the
+// guest content.
+IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestFocusWhileFocused) {
+  TestHelper("testFocusWhileFocused", "web_view/shim", NO_TEST_SERVER);
+}
+
 #if defined(USE_AURA)
 // TODO(wjmaclean): when WebViewTest is re-enabled on the site-isolation
 // bots, then re-enable this test class as well.
 // https://crbug.com/503751
 class WebViewFocusTest : public WebViewTest {
  public:
   ~WebViewFocusTest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTest::SetUpCommandLine(command_line);
@@ skipping 117 matching lines @@
   // Generate and send synthetic touch event.
   FocusWaiter waiter(aura_webview);
   content::SimulateTouchPressAt(GetEmbedderWebContents(),
                                 guest_rect.CenterPoint());
 
   // Wait for the TouchStart to propagate and restore focus. Test times out
   // on failure.
   waiter.Wait();
 }
 #endif