Allow javascript change the virtual keyboard window size and position freely in FLOATING mode

ui/keyboard/keyboard_util.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_util.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 39 matching lines @@
 keyboard::KeyboardOverscrolOverride g_keyboard_overscroll_override =
     keyboard::KEYBOARD_OVERSCROLL_OVERRIDE_NONE;
 
 keyboard::KeyboardShowOverride g_keyboard_show_override =
     keyboard::KEYBOARD_SHOW_OVERRIDE_NONE;
 
 }  // namespace
 
 namespace keyboard {
 
-gfx::Rect DefaultKeyboardBoundsFromWindowBounds(
-    const gfx::Rect& window_bounds) {
-  // Initialize default keyboard height to 0. The keyboard window height should
-  // only be set by window.resizeTo in virtual keyboard web contents. Otherwise,
-  // the default height may conflict with the new height and causing some
-  // strange animation issues.
-  return KeyboardBoundsFromWindowBounds(window_bounds, 0);
-}
-
-gfx::Rect KeyboardBoundsFromWindowBounds(const gfx::Rect& window_bounds,
-                                         int keyboard_height) {
+gfx::Rect FullWidthKeyboardBoundsFromRootBounds(const gfx::Rect& root_bounds,
+                                                int keyboard_height) {
   return gfx::Rect(
-      window_bounds.x(),
-      window_bounds.bottom() - keyboard_height,
-      window_bounds.width(),
+      root_bounds.x(),
+      root_bounds.bottom() - keyboard_height,
+      root_bounds.width(),
       keyboard_height);
 }
 
 void SetAccessibilityKeyboardEnabled(bool enabled) {
   g_accessibility_keyboard_enabled = enabled;
 }
 
 bool GetAccessibilityKeyboardEnabled() {
   return g_accessibility_keyboard_enabled;
 }
@@ skipping 319 matching lines @@
 }
 
 void LogKeyboardControlEvent(KeyboardControlEvent event) {
   UMA_HISTOGRAM_ENUMERATION(
       "VirtualKeyboard.KeyboardControlEvent",
       event,
       keyboard::KEYBOARD_CONTROL_MAX);
 }
 
 }  // namespace keyboard