Fix keyboard focus for OOPIF-<webview>.

chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc b/chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc
index e25a322b3b25e03d4ec16ab89b16c4c44d7c413f..acdfdf56a9cc5444b8b6a2774057f3a3bffadb0f 100644
--- a/chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc
@@ -26,6 +26,7 @@
 #include "components/guest_view/browser/guest_view_manager_factory.h"
 #include "components/guest_view/browser/test_guest_view_manager.h"
 #include "content/public/browser/notification_service.h"
+#include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
@@ -227,6 +228,7 @@ class WebViewInteractiveTestBase : public extensions::PlatformAppBrowserTest {
     ASSERT_TRUE(done_listener);
     ASSERT_TRUE(done_listener->WaitUntilSatisfied());
 
+    embedder_web_contents_ = embedder_web_contents;
     guest_web_contents_ = GetGuestViewManager()->WaitForSingleGuestCreated();
   }
 
@@ -1353,3 +1355,42 @@ IN_PROC_BROWSER_TEST_F(WebViewFocusInteractiveTest, FocusAndVisibility) {
   SendMessageToEmbedder("verify");
   EXPECT_TRUE(webview_button_not_focused_listener.WaitUntilSatisfied());
 }
+
+IN_PROC_BROWSER_TEST_P(WebViewInteractiveTest, KeyboardFocus) {
+  TestHelper("testKeyboardFocus", "web_view/focus", NO_TEST_SERVER);
+
+  EXPECT_EQ(embedder_web_contents()->GetFocusedFrame(),
+            embedder_web_contents()->GetMainFrame());
+  content::FrameFocusedObserver focus_observer(
+      guest_web_contents()->GetMainFrame());
+  ExtensionTestMessageListener next_step_listener("TEST_STEP_PASSED", false);
+  next_step_listener.set_failure_message("TEST_STEP_FAILED");
+  {
+    gfx::Rect offset = embedder_web_contents()->GetContainerBounds();
+    // Click the <input> element inside the <webview>.
+    // If we wanted, we could ask the embedder to compute an appropriate point.
+    MoveMouseInsideWindow(gfx::Point(offset.x() + 40, offset.y() + 40));
+    SendMouseClick(ui_controls::LEFT);
+  }
+
+  // Waits for the renderer to know the input has focus.
+  ASSERT_TRUE(next_step_listener.WaitUntilSatisfied());
+  // Wait for the browser to know which frame has focus.
+  focus_observer.Wait();
+  if (GetParam())
+    EXPECT_EQ(embedder_web_contents()->GetFocusedFrame(), nullptr);
+
+  ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
+      GetPlatformAppWindow(), ui::VKEY_A, false, false, false, false));
+  ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
+      GetPlatformAppWindow(), ui::VKEY_B, false, true, false, false));
+  ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
+      GetPlatformAppWindow(), ui::VKEY_C, false, false, false, false));
+
+  next_step_listener.Reset();
+  EXPECT_TRUE(content::ExecuteScript(
+      embedder_web_contents(),
+      "window.runCommand('testKeyboardFocusRunNextStep', 'aBc');"));
+
+  ASSERT_TRUE(next_step_listener.WaitUntilSatisfied());
+}