Force resetting the VK insets when overscroll mode is disabled.

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 "base/bind.h"
 #include "base/command_line.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_iterator.h"
@@ skipping 252 matching lines @@
             int overlap = intersect.height();
             if (overlap > 0 && overlap < window_bounds.height())
               view->SetInsets(gfx::Insets(0, 0, overlap, 0));
             else
               view->SetInsets(gfx::Insets(0, 0, 0, 0));
             // TODO(kevers): Add window observer to native window to update
             // insets on a window move or resize.
           }
         }
       }
+    } else {
+      ResetWindowInsets();
     }
   }
 }
 
 void KeyboardController::HideKeyboard(HideReason reason) {
   keyboard_visible_ = false;
   ToggleTouchEventLogging(true);
 
   keyboard::LogKeyboardControlEvent(
       reason == HIDE_REASON_AUTOMATIC ?
@@ skipping 183 matching lines @@
   // background during animation.
   NotifyKeyboardBoundsChanging(proxy_->GetKeyboardWindow()->bounds());
   proxy_->EnsureCaretInWorkArea();
 }
 
 void KeyboardController::HideAnimationFinished() {
   proxy_->HideKeyboardContainer(container_.get());
 }
 
 }  // namespace keyboard