White space keyboard_controller is off.

ui/keyboard/keyboard_controller.cc

 // Copyright (c) 2013 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 "ui/keyboard/keyboard_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 131 matching lines @@
   options.wait = true;
   base::LaunchProcess(command, options, NULL);
 #endif
 }
 
 aura::Window *GetFrameWindow(aura::Window *window) {
   // Each container window has a non-negative id.  Stop traversing at the child
   // of a container window.
   if (!window)
     return NULL;
-  while(window->parent() && window->parent()->id() < 0) {
+  while (window->parent() && window->parent()->id() < 0) {
     window = window->parent();
   }
   return window;
 }
 
 }  // namespace
 
 namespace keyboard {
 
 // Observer for both keyboard show and hide animations. It should be owned by
@@ skipping 55 matching lines @@
 };
 
 void WindowBoundsChangeObserver::OnWindowBoundsChanged(aura::Window* window,
     const gfx::Rect& old_bounds, const gfx::Rect& new_bounds) {
   KeyboardController* controller =  KeyboardController::GetInstance();
   if (controller)
     controller->UpdateWindowInsets(window);
 }
 
 void WindowBoundsChangeObserver::OnWindowDestroyed(aura::Window* window) {
-   if (window->HasObserver(this))
-     window->RemoveObserver(this);
-   observed_windows_.erase(window);
+  if (window->HasObserver(this))
+    window->RemoveObserver(this);
+  observed_windows_.erase(window);
 }
 
 void WindowBoundsChangeObserver::AddObservedWindow(aura::Window* window) {
   if (!window->HasObserver(this)) {
     window->AddObserver(this);
     observed_windows_.insert(window);
   }
 }
 
 void WindowBoundsChangeObserver::RemoveAllObservedWindows() {
@@ skipping 336 matching lines @@
   proxy_->HideKeyboardContainer(container_.get());
 }
 
 void KeyboardController::AddBoundsChangedObserver(aura::Window* window) {
   aura::Window* target_window = GetFrameWindow(window);
   if (target_window)
     window_bounds_observer_->AddObservedWindow(target_window);
 }
 
 }  // namespace keyboard