Blink caret only if selection has focus.

third_party/WebKit/Source/core/editing/FrameCaretTest.cpp

Index: third_party/WebKit/Source/core/editing/FrameCaretTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameCaretTest.cpp b/third_party/WebKit/Source/core/editing/FrameCaretTest.cpp
index e6c9b9c142893e0a4b08467ef76e0e7d7e169c07..6049a2fad971b535dbae6a2525ea0f00856ff189 100644
--- a/third_party/WebKit/Source/core/editing/FrameCaretTest.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameCaretTest.cpp
@@ -27,6 +27,10 @@ class FrameCaretTest : public EditingTestBase {
     LayoutTestSupport::SetIsRunningLayoutTest(was_running_layout_test_);
   }
 
+  bool ShouldBlinkCaret(const FrameCaret& caret) {
+    return caret.ShouldBlinkCaret();
+  }
+
  private:
   const bool was_running_layout_test_;
 };
@@ -71,4 +75,22 @@ TEST_F(FrameCaretTest, BlinkAfterTyping) {
       << "The caret should blink after the typing command.";
 }
 
+TEST_F(FrameCaretTest, ShouldNotBlinkWhenSelectionLooseFocus) {
+  FrameCaret& caret = Selection().FrameCaretForTesting();
+  GetDocument().GetPage()->GetFocusController().SetActive(true);
+  GetDocument().GetPage()->GetFocusController().SetFocused(true);
+  GetDocument().body()->setInnerHTML(
+      "<div id='outer' tabindex='-1'>"
+      "<div id='input' contenteditable>foo</div>"
+      "</div>");
+  Element* input = GetDocument().QuerySelector("#input");
+  input->focus();
+  Element* outer = GetDocument().QuerySelector("#outer");
+  outer->focus();
+  GetDocument().View()->UpdateAllLifecyclePhases();
+  const SelectionInDOMTree& dom = Selection().GetSelectionInDOMTree();

[yosin_UTC9, 2017/05/19 06:12:21]

nit: s/dom/selection/

It is "DOM Selection" instead of DOM = Document Object Model.

[yoichio, 2017/05/19 08:00:18]

Done.

+  EXPECT_EQ(dom.Base(), Position(input, PositionAnchorType::kBeforeChildren));
+  EXPECT_FALSE(ShouldBlinkCaret(caret));
+}
+
 }  // namespace blink