Allow all non-activatable windows to process clicks

This rolls back what was previosuly done in
https://codereview.chromium.org/1565713002 because simpler approach has
been found. Now every window that's been created with ACTIVATABLE_NO
flag can process clicks and remain unfocused.

BUG=

Review URL: https://codereview.chromium.org/1619523002

Cr-Commit-Position: refs/heads/master@{#372691}

3 files changed, 10 insertions, 1 deletions

diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
index c354154..f79b3c4 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc
@@ -125,6 +125,7 @@ void DesktopWindowTreeHostWin::Init(aura::Window* content_window,
                                     const Widget::InitParams& params) {
   // TODO(beng): SetInitParams().
   content_window_ = content_window;
+  wants_mouse_events_when_inactive_ = params.wants_mouse_events_when_inactive;
 
   aura::client::SetAnimationHost(content_window_, this);
 
@@ -626,7 +627,7 @@ bool DesktopWindowTreeHostWin::CanActivate() const {
 }
 
 bool DesktopWindowTreeHostWin::WantsMouseEventsWhenInactive() const {
-  return false;
+  return wants_mouse_events_when_inactive_;
 }
 
 bool DesktopWindowTreeHostWin::WidgetSizeIsClientSize() const {
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
index ad82485..963658a 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
@@ -256,6 +256,10 @@ class VIEWS_EXPORT DesktopWindowTreeHostWin
 
   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 
+  // Indicates if current window will receive mouse events when should not
+  // become activated.
+  bool wants_mouse_events_when_inactive_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
 };
 
diff --git a/ui/views/widget/widget.h b/ui/views/widget/widget.h
index 11778fd..8c92b90 100644
--- a/ui/views/widget/widget.h
+++ b/ui/views/widget/widget.h
@@ -270,6 +270,10 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
     // If true then the widget uses software compositing. Defaults to false.
     // Only used on Windows.
     bool force_software_compositing;
+
+    // Used if widget is not activatable to do determine if mouse events should
+    // be sent to the widget.
+    bool wants_mouse_events_when_inactive = false;
   };
 
   Widget();