New action box button images and supporting code

chrome/browser/ui/views/location_bar/action_box_button_view.cc

Index: chrome/browser/ui/views/location_bar/action_box_button_view.cc
diff --git a/chrome/browser/ui/views/location_bar/action_box_button_view.cc b/chrome/browser/ui/views/location_bar/action_box_button_view.cc
index 3e46328cb6e67e1824cf4a38c1a280fa6b980577..9daa70ace44002c5f9d32513fc2cf6b76cd8bf71 100644
--- a/chrome/browser/ui/views/location_bar/action_box_button_view.cc
+++ b/chrome/browser/ui/views/location_bar/action_box_button_view.cc
@@ -15,12 +15,19 @@
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/path.h"
+
+
+// static
+const int ActionBoxButtonView::kTopBorderOverlapThickness = 1;
+
 
 ActionBoxButtonView::ActionBoxButtonView(Browser* browser,
                                          const gfx::Point& menu_offset)
     : views::MenuButton(NULL, string16(), this, false),
       browser_(browser),
       menu_offset_(menu_offset),
+      clickable_height_(0),
       ALLOW_THIS_IN_INITIALIZER_LIST(controller_(browser, this)) {
   set_id(VIEW_ID_ACTION_BOX_BUTTON);
   SetTooltipText(l10n_util::GetStringUTF16(IDS_TOOLTIP_ACTION_BOX_BUTTON));
@@ -48,6 +55,17 @@ void ActionBoxButtonView::OnMenuButtonClicked(View* source,
   controller_.OnButtonClicked();
 }
 
+bool ActionBoxButtonView::HasHitTestMask() const {
+  return true;
+}
+
+void ActionBoxButtonView::GetHitTestMask(gfx::Path* mask) const {
+  SkRect clickable_rect;
+  clickable_rect.iset(0, kTopBorderOverlapThickness, width(),
+      kTopBorderOverlapThickness + clickable_height_);
+  mask->addRect(clickable_rect);
+}
+
 void ActionBoxButtonView::ShowMenu(scoped_ptr<ActionBoxMenuModel> menu_model) {
   menu_ = ActionBoxMenu::Create(browser_, menu_model.Pass());
   menu_->RunMenu(this, menu_offset_);