Let WebViewImpl::textInputInfo() query the focused element when selection is empty

Source/web/tests/WebViewTest.cpp

Index: Source/web/tests/WebViewTest.cpp
diff --git a/Source/web/tests/WebViewTest.cpp b/Source/web/tests/WebViewTest.cpp
index edef35660abc1a0331298e823cd605bc98c2c566..572b76f1a1a3aca9c838637061b049bf102a5df3 100644
--- a/Source/web/tests/WebViewTest.cpp
+++ b/Source/web/tests/WebViewTest.cpp
@@ -234,6 +234,17 @@ protected:
     FrameTestHelpers::WebViewHelper m_webViewHelper;
 };
 
+class FocusedNodeChangedObserverWebViewClient : public WebViewClient {
+public:
+    void setWebView(WebView* webView) { m_webView = webView; }
+    WebTextInputInfo textInputInfoOnFocusedNodeChanged() const { return m_textInputInfoOnFocusedNodeChanged; }
+private:
+    void focusedNodeChanged(const WebNode&) OVERRIDE { m_textInputInfoOnFocusedNodeChanged = m_webView->textInputInfo(); }
+
+    WebView* m_webView;
+    WebTextInputInfo m_textInputInfoOnFocusedNodeChanged;
+};
+
 TEST_F(WebViewTest, SetBaseBackgroundColor)
 {
     const WebColor kWhite    = 0xFFFFFFFF;
@@ -554,6 +565,21 @@ TEST_F(WebViewTest, ConfirmCompositionCursorPositionChange)
     EXPECT_EQ(-1, info.compositionEnd);
 }
 
+TEST_F(WebViewTest, TextInputInfoOnInputFocused)
+{
+    URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("input_field_focused.html"));
+    FocusedNodeChangedObserverWebViewClient client;
+    WebView* webView = m_webViewHelper.initialize(true, 0, &client);
+    client.setWebView(webView);
+
+    WebCore::KURL url = toKURL(m_baseURL + "input_field_focused.html");
+    webView->mainFrame()->loadRequest(WebURLRequest(WebURL(url)));
+    Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
+
+    WebTextInputInfo info = client.textInputInfoOnFocusedNodeChanged();
+    EXPECT_EQ(WebTextInputTypeText, info.type);
+}
+
 TEST_F(WebViewTest, InsertNewLinePlacementAfterConfirmComposition)
 {
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("text_area_populated.html"));