[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..9ebe37b9ad8ac360bf4e1348d6b718c1a223acca 100644
--- a/ash/shell/keyboard_controller_proxy_stub.cc
+++ b/ash/shell/keyboard_controller_proxy_stub.cc
@@ -20,9 +20,11 @@ KeyboardControllerProxyStub::~KeyboardControllerProxyStub() {
 }
 
 aura::Window* KeyboardControllerProxyStub::GetKeyboardWindow() {
-  aura::Window* window = new aura::Window(&delegate_);
-  window->Init(ui::LAYER_NOT_DRAWN);
-  return window;
+  if (!keyboard_) {
+    keyboard_.reset(new aura::Window(&delegate_));
+    keyboard_->Init(ui::LAYER_NOT_DRAWN);
+  }
+  return keyboard_.get();
 }
 
 BrowserContext* KeyboardControllerProxyStub::GetBrowserContext() {