Gets disable inactive frame rendering to work correctly for aura. This

views/widget/native_widget_aura.cc

Index: views/widget/native_widget_aura.cc
diff --git a/views/widget/native_widget_aura.cc b/views/widget/native_widget_aura.cc
index be5bf9b862fe10829037ce637d9c4ce32daf6f99..614864c10fa01e3f2db0ddd03207534f68e7a408 100644
--- a/views/widget/native_widget_aura.cc
+++ b/views/widget/native_widget_aura.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "ui/aura/desktop.h"
+#include "ui/aura/desktop_observer.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_types.h"
@@ -54,6 +55,33 @@ aura::WindowType GetAuraWindowTypeForWidgetType(Widget::InitParams::Type type) {
 
 }  // namespace
 
+// Used when SetInactiveRenderingDisabled() is invoked to track when active
+// status changes in such a way that we should enable inactive rendering.
+class NativeWidgetAura::DesktopObserverImpl : public aura::DesktopObserver {
+ public:
+  explicit DesktopObserverImpl(NativeWidgetAura* host)
+      : host_(host) {
+    aura::Desktop::GetInstance()->AddObserver(this);
+  }
+
+  virtual ~DesktopObserverImpl() {
+    aura::Desktop::GetInstance()->RemoveObserver(this);
+  }
+
+  // DesktopObserver overrides:
+  virtual void OnActiveWindowChanged(aura::Window* active) OVERRIDE {
+    if (!active || (active != host_->window_ &&
+                    active->transient_parent() != host_->window_)) {
+      host_->delegate_->EnableInactiveRendering();
+    }
+  }
+
+ private:
+  NativeWidgetAura* host_;
+
+  DISALLOW_COPY_AND_ASSIGN(DesktopObserverImpl);
+};
+
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, public:
 
@@ -416,6 +444,7 @@ bool NativeWidgetAura::IsFullscreen() const {
 
 void NativeWidgetAura::SetOpacity(unsigned char opacity) {
   window_->layer()->SetOpacity(opacity / 255.0);
+  window_->layer()->ScheduleDraw();

[Ben Goodger (Google), 2011/11/01 19:22:00]

Is this your other CL leaking through? I thought you made this implicit to
SetOpacity.

[sky, 2011/11/01 19:50:56]

Ya, sorry. I'll remove that.

 }
 
 void NativeWidgetAura::SetUseDragFrame(bool use_drag_frame) {
@@ -462,6 +491,13 @@ gfx::Rect NativeWidgetAura::GetWorkAreaBoundsInScreen() const {
   return gfx::Screen::GetMonitorWorkAreaNearestWindow(GetNativeView());
 }
 
+void NativeWidgetAura::SetInactiveRenderingDisabled(bool value) {
+  if (!value)
+    desktop_observer_.reset();
+  else
+    desktop_observer_.reset(new DesktopObserverImpl(this));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, views::InputMethodDelegate implementation: