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

ui/keyboard/keyboard_util.h

 // 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.
 
 #ifndef UI_KEYBOARD_KEYBOARD_UTIL_H_
 #define UI_KEYBOARD_KEYBOARD_UTIL_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 34 matching lines @@
   KEYBOARD_OVERSCROLL_OVERRIDE_NONE,
 };
 
 // An enumeration of keyboard policy settings.
 enum KeyboardShowOverride {
   KEYBOARD_SHOW_OVERRIDE_DISABLED = 0,
   KEYBOARD_SHOW_OVERRIDE_ENABLED,
   KEYBOARD_SHOW_OVERRIDE_NONE,
 };
 
-// Gets the default keyboard bounds from |window_bounds|.
-KEYBOARD_EXPORT gfx::Rect DefaultKeyboardBoundsFromWindowBounds(
-    const gfx::Rect& window_bounds);
+// Gets the default keyboard bounds from |root_bounds|.
+KEYBOARD_EXPORT gfx::Rect DefaultKeyboardBoundsFromRootBounds(
+    const gfx::Rect& root_bounds);
 
-// Gets the caculated keyboard bounds from |window_bounds|. The keyboard height
-// is specified by |keyboard_height|.
-KEYBOARD_EXPORT gfx::Rect KeyboardBoundsFromWindowBounds(
-    const gfx::Rect& window_bounds, int keyboard_height);
+// Gets the caculated keyboard bounds from |root_bounds|. The keyboard height
+// is specified by |keyboard_height|. This should be only called when keyboard
+// is in FULL_WDITH mode.
+KEYBOARD_EXPORT gfx::Rect FullWidthKeyboardBoundsFromRootBounds(
+    const gfx::Rect& root_bounds, int keyboard_height);
 
 // Sets the state of the a11y onscreen keyboard.
 KEYBOARD_EXPORT void SetAccessibilityKeyboardEnabled(bool enabled);
 
 // Gets the state of the a11y onscreen keyboard.
 KEYBOARD_EXPORT bool GetAccessibilityKeyboardEnabled();
 
 // Sets the state of the touch onscreen keyboard.
 KEYBOARD_EXPORT void SetTouchKeyboardEnabled(bool enabled);
 
@@ skipping 75 matching lines @@
 
 // Gets the override content url.
 KEYBOARD_EXPORT const GURL& GetOverrideContentUrl();
 
 // Logs the keyboard control event as a UMA stat.
 void LogKeyboardControlEvent(KeyboardControlEvent event);
 
 }  // namespace keyboard
 
 #endif  // UI_KEYBOARD_KEYBOARD_UTIL_H_