Add handling for immersive fullscreen to the zoom bubble

chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc

 // Copyright 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 "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/wm/window_properties.h"
 #include "base/command_line.h"
@@ skipping 270 matching lines @@
 ImmersiveModeControllerAsh::ImmersiveModeControllerAsh()
     : delegate_(NULL),
       widget_(NULL),
       top_container_(NULL),
       observers_enabled_(false),
       enabled_(false),
       reveal_state_(CLOSED),
       revealed_lock_count_(0),
       tab_indicator_visibility_(TAB_INDICATORS_HIDE),
       mouse_x_when_hit_top_(-1),
+      gesture_begun_(false),
       native_window_(NULL),
       animation_(new ui::SlideAnimation(this)),
       animations_disabled_for_test_(false),
-      weak_ptr_factory_(this),
-      gesture_begun_(false) {
+      weak_ptr_factory_(this) {
 }
 
 ImmersiveModeControllerAsh::~ImmersiveModeControllerAsh() {
   // The browser view is being destroyed so there's no need to update its
   // layout or layers, even if the top views are revealed. But the window
   // observers still need to be removed.
   EnableWindowObservers(false);
 }
 
 void ImmersiveModeControllerAsh::LockRevealedState(
@@ skipping 621 matching lines @@
       return;
   }
   // Slide in the reveal view.
   if (animate == ANIMATE_NO) {
     animation_->Reset(1);
     OnSlideOpenAnimationCompleted(LAYOUT_YES);
   } else {
     animation_->SetSlideDuration(GetAnimationDuration(animate));
     animation_->Show();
   }
+
+  if (previous_reveal_state == CLOSED) {

[sky, 2013/06/19 13:32:29]

nit: no {}

+    FOR_EACH_OBSERVER(Observer, observers_, OnImmersiveRevealStarted());
+  }
 }
 
 void ImmersiveModeControllerAsh::EnablePaintToLayer(bool enable) {
   top_container_->SetPaintToLayer(enable);
 
   // Views software compositing is not fully layer aware. If the bookmark bar
   // is detached while the top container layer slides on or off the screen,
   // the pixels that become exposed are the remnants of the last software
   // composite of the BrowserView, not the freshly-exposed bookmark bar.
   // Force the bookmark bar to paint to a layer so the views composite
@@ skipping 113 matching lines @@
   if (!native_window_)
     return;
   aura::RootWindow* root_window = native_window_->GetRootWindow();
   if (!root_window)
     return;
   if (observers_enabled_)
     root_window->AddPreTargetHandler(this);
   else
     root_window->RemovePreTargetHandler(this);
 }