Minor fixes to BubbleBorder2 and LauncherTooltipManager:

ash/launcher/launcher_tooltip_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/launcher/launcher_tooltip_manager.h"
 
 #include "ash/launcher/launcher_view.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
@@ skipping 78 matching lines @@
 LauncherTooltipManager::LauncherTooltipBubble::LauncherTooltipBubble(
     views::View* anchor,
     views::BubbleBorder::ArrowLocation arrow_location,
     LauncherTooltipManager* host)
     : views::BubbleDelegateView(anchor, arrow_location),
       host_(host),
       bubble_border_(NULL) {
   set_close_on_esc(false);
   set_close_on_deactivate(false);
   set_use_focusless(true);
+  set_accept_events(false);
   set_margins(gfx::Insets(kTooltipTopBottomMargin, kTooltipLeftRightMargin,
                           kTooltipTopBottomMargin, kTooltipLeftRightMargin));
   SetLayoutManager(new views::FillLayout());
   // The anchor may not have the widget in tests.
   if (anchor->GetWidget() && anchor->GetWidget()->GetNativeView()) {
     aura::RootWindow* root_window =
         anchor->GetWidget()->GetNativeView()->GetRootWindow();
     set_parent_window(ash::Shell::GetInstance()->GetContainer(
         root_window, ash::internal::kShellWindowId_SettingBubbleContainer));
   }
   label_ = new views::Label;
   label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
   label_->SetEnabledColor(kTooltipTextColor);
   label_->SetElideBehavior(views::Label::ELIDE_AT_END);
   AddChildView(label_);
   views::BubbleDelegateView::CreateBubble(this);
   bubble_border_ = new views::BubbleBorder2(views::BubbleBorder::BOTTOM_RIGHT);
   bubble_border_->SetShadow(gfx::ShadowValue(
       gfx::Point(0, 5), kShadowWidth, SkColorSetARGB(0x72, 0, 0, 0)));
   bubble_border_->set_arrow_width(kArrowWidth);
   bubble_border_->set_arrow_height(kArrowHeight);
   set_anchor_insets(gfx::Insets(kArrowOffset, kArrowOffset, kArrowOffset,
       kArrowOffset));
   GetBubbleFrameView()->SetBubbleBorder(bubble_border_);
+
+  // BubbleBorder2 paints its own background.
+  GetBubbleFrameView()->set_background(NULL);
 }
 
 void LauncherTooltipManager::LauncherTooltipBubble::SetText(
     const string16& text) {
   label_->SetText(text);
   SizeToContents();
 }
 
 void LauncherTooltipManager::LauncherTooltipBubble::Close() {
   if (GetWidget()) {
@@ skipping 272 matching lines @@
   view_->SetText(text_);
 
   gfx::NativeView native_view = widget_->GetNativeView();
   SetWindowVisibilityAnimationType(
       native_view, WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
   SetWindowVisibilityAnimationTransition(native_view, ANIMATE_HIDE);
 }
 
 }  // namespace internal
 }  // namespace ash