[WIP Approach 2] Straighten up input method reactivation

third_party/WebKit/Source/core/input/MouseEventManager.cpp

Index: third_party/WebKit/Source/core/input/MouseEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/MouseEventManager.cpp b/third_party/WebKit/Source/core/input/MouseEventManager.cpp
index a89c3f03879be29859f570bb574141cfa8eb0ff2..e26acb5532d3296d2e6c2dfaacf90a733b21d804 100644
--- a/third_party/WebKit/Source/core/input/MouseEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/MouseEventManager.cpp
@@ -432,7 +432,7 @@ WebInputEventResult MouseEventManager::handleMouseFocus(
         return WebInputEventResult::HandledSystem;
       if (!page->focusController().setFocusedElement(
               element, m_frame,
-              FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeMouse,
+              FocusParams(SelectionBehaviorOnFocus::Restore, WebFocusTypeMouse,
                           sourceCapabilities)))
         return WebInputEventResult::HandledSystem;
     } else {
@@ -442,7 +442,7 @@ WebInputEventResult MouseEventManager::handleMouseFocus(
       // fields before the button click is processed.
       if (!page->focusController().setFocusedElement(
               nullptr, m_frame,
-              FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone,
+              FocusParams(SelectionBehaviorOnFocus::Restore, WebFocusTypeNone,
                           sourceCapabilities)))
         return WebInputEventResult::HandledSystem;
     }