Make WebView keep keyboard when losing focus

chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java
index 9c45b4bcb8e25002646619188b7b7532c28e23a1..ce173cb9e50b4d402d64d7818edab9b1ead10057 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/TabsTest.java
@@ -62,6 +62,7 @@ import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.test.util.CallbackHelper;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
+import org.chromium.content.browser.test.util.DOMUtils;
 import org.chromium.content.browser.test.util.JavaScriptUtils;
 import org.chromium.content.browser.test.util.UiUtils;
 import org.chromium.content.common.ContentSwitches;
@@ -85,6 +86,8 @@ public class TabsTest extends ChromeTabbedActivityTestBase {
     private static final String TEST_FILE_PATH =
             "/chrome/test/data/android/tabstest/tabs_test.html";
     private static final String TEST_PAGE_FILE_PATH = "/chrome/test/data/google/google.html";
+    private static final String TEST_INPUT_FILE_PATH =
+            "/chrome/test/data/android/very_long_google.html";
 
     private EmbeddedTestServer mTestServer;
 
@@ -278,6 +281,50 @@ public class TabsTest extends ChromeTabbedActivityTestBase {
         });
     }
 
+    private void assertWaitForKeyboardStatus(final boolean show) throws InterruptedException {
+        CriteriaHelper.pollUiThread(new Criteria() {
+            @Override
+            public boolean isSatisfied() {
+                updateFailureReason("expected keyboard show: " + show);
+                return show
+                        == org.chromium.ui.UiUtils.isKeyboardShowing(
+                                   getActivity(), getActivity().getTabsView());
+            }
+        });
+    }
+
+    /**
+     * Verify that opening a new tab, switching to an existing tab and closing current tab hide
+     * keyboard.
+     */
+    @MediumTest
+    public void testHideKeyboard() throws Exception {
+        mTestServer = EmbeddedTestServer.createAndStartFileServer(
+                getInstrumentation().getContext(), Environment.getExternalStorageDirectory());
+
+        startMainActivityWithURL(mTestServer.getURL(TEST_INPUT_FILE_PATH));
+        DOMUtils.clickNode(this, getActivity().getActivityTab().getContentViewCore(), "textField");
+        assertWaitForKeyboardStatus(true);
+
+        // Opens a new tab.
+        startMainActivityWithURL(mTestServer.getURL(TEST_INPUT_FILE_PATH));
+        assertWaitForKeyboardStatus(false);
+
+        DOMUtils.clickNode(this, getActivity().getActivityTab().getContentViewCore(), "textField");
+        assertWaitForKeyboardStatus(true);
+
+        // Switches to an existing tab.
+        ChromeTabUtils.switchTabInCurrentTabModel(getActivity(), 1);
+        assertWaitForKeyboardStatus(false);
+
+        DOMUtils.clickNode(this, getActivity().getActivityTab().getContentViewCore(), "textField");
+        assertWaitForKeyboardStatus(true);
+
+        // Closes current tab.
+        ChromeTabUtils.closeCurrentTab(getInstrumentation(), getActivity());
+        assertWaitForKeyboardStatus(false);
+    }
+
     /**
      * Verify that opening a new tab and navigating immediately sets a size on the newly created
      * renderer. https://crbug.com/434477.