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

ui/keyboard/keyboard_controller_proxy.cc

Index: ui/keyboard/keyboard_controller_proxy.cc
diff --git a/ui/keyboard/keyboard_controller_proxy.cc b/ui/keyboard/keyboard_controller_proxy.cc
index bf921efd76440b766a4f2c7339cfa2be645a31ee..83d5e77448a2b351f16afeb76eeebb104f336a1c 100644
--- a/ui/keyboard/keyboard_controller_proxy.cc
+++ b/ui/keyboard/keyboard_controller_proxy.cc
@@ -55,15 +55,10 @@ class KeyboardContentsDelegate : public content::WebContentsDelegate,
     // point. Otherwise, wrong keyboard bounds is used and may cause problem as
     // described in crbug.com/367788.
     DCHECK(keyboard->parent());
-    gfx::Rect bounds = keyboard->bounds();
-    int new_height = pos.height();
-    bounds.set_y(bounds.y() + bounds.height() - new_height);
-    bounds.set_height(new_height);
-    // Keyboard bounds should only be reset when it actually changes. Otherwise
-    // it interrupts the initial animation of showing the keyboard. Described in
-    // crbug.com/356753.
-    if (bounds != keyboard->bounds())
-      keyboard->SetBounds(bounds);
+    // keyboard window bounds may not set to |pos| after this call. If keyboard
+    // is in FULL_WIDTH mode, only the height of keyboard window will be
+    // changed.
+    keyboard->SetBounds(pos);
   }
 
   // Overridden from content::WebContentsDelegate: