[Input View] Makes the input view window support window.resizeTo() and w3c visibility API its web c…

ash/shell/keyboard_controller_proxy_stub.cc

Index: ash/shell/keyboard_controller_proxy_stub.cc
diff --git a/ash/shell/keyboard_controller_proxy_stub.cc b/ash/shell/keyboard_controller_proxy_stub.cc
index 700c834365f02671dff6509ae3871363f809e74c..e980c4c7062dbb0473e0bf8e27fc05adc6ac10ca 100644
--- a/ash/shell/keyboard_controller_proxy_stub.cc
+++ b/ash/shell/keyboard_controller_proxy_stub.cc
@@ -13,16 +13,18 @@ using namespace content;
 
 namespace ash {
 
-KeyboardControllerProxyStub::KeyboardControllerProxyStub() {
+KeyboardControllerProxyStub::KeyboardControllerProxyStub() : keyboard_(NULL) {
 }
 
 KeyboardControllerProxyStub::~KeyboardControllerProxyStub() {
 }
 
 aura::Window* KeyboardControllerProxyStub::GetKeyboardWindow() {
-  aura::Window* window = new aura::Window(&delegate_);
-  window->Init(ui::LAYER_NOT_DRAWN);
-  return window;
+  if (!keyboard_) {
+    keyboard_ = new aura::Window(&delegate_);
+    keyboard_->Init(ui::LAYER_NOT_DRAWN);
+  }
+  return keyboard_;
 }
 
 BrowserContext* KeyboardControllerProxyStub::GetBrowserContext() {