app_list: Fix shadow bleeds over launcher button and steals mouse events

content/browser/renderer_host/render_widget_host_view_aura.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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 124 matching lines @@
 }
 
 }  // namespace
 
 // We have to implement the WindowObserver interface on a separate object
 // because clang doesn't like implementing multiple interfaces that have
 // methods with the same name. This object is owned by the
 // RenderWidgetHostViewAura.
 class RenderWidgetHostViewAura::WindowObserver : public aura::WindowObserver {
  public:
-  WindowObserver(RenderWidgetHostViewAura* view) : view_(view) {}
+  explicit WindowObserver(RenderWidgetHostViewAura* view) : view_(view) {}
   virtual ~WindowObserver() {}
 
     // Overridden from aura::WindowObserver:
   virtual void OnWindowRemovingFromRootWindow(aura::Window* window) OVERRIDE {
     view_->RemovingFromRootWindow();
   }
 
  private:
   RenderWidgetHostViewAura* view_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowObserver);
 };
 
-class RenderWidgetHostViewAura::ResizeLock :
-    public base::SupportsWeakPtr<RenderWidgetHostViewAura::ResizeLock> {
+class RenderWidgetHostViewAura::ResizeLock
+    : public base::SupportsWeakPtr<RenderWidgetHostViewAura::ResizeLock> {
  public:
   ResizeLock(aura::RootWindow* root_window, const gfx::Size new_size)
       : root_window_(root_window),
         new_size_(new_size),
         compositor_lock_(root_window_->GetCompositorLock()) {
     root_window_->HoldMouseMoves();
 
     BrowserThread::PostDelayedTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&RenderWidgetHostViewAura::ResizeLock::CancelLock,
@@ skipping 990 matching lines @@
 }
 
 void RenderWidgetHostViewAura::OnWindowDestroyed() {
   host_->ViewDestroyed();
   delete this;
 }
 
 void RenderWidgetHostViewAura::OnWindowVisibilityChanged(bool visible) {
 }
 
+bool RenderWidgetHostViewAura::HasHitTestMask() const {
+  return false;
+}
+
+void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, aura::client::ActivationDelegate implementation:
 
 bool RenderWidgetHostViewAura::ShouldActivate(const aura::Event* event) {
   if (event && event->type() == ui::ET_MOUSE_PRESSED)
     host_->OnMouseActivate();
   return is_fullscreen_;
 }
 
 void RenderWidgetHostViewAura::OnActivated() {
@@ skipping 193 matching lines @@
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }