Do not release capture when transferring capture between Chrome windows on Linux

ui/events/event_utils.h

 // Copyright (c) 2012 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_EVENTS_EVENT_UTILS_H_
 #define UI_EVENTS_EVENT_UTILS_H_
 
 #include "base/event_types.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/events/event_constants.h"
@@ skipping 52 matching lines @@
 // Gets the location in native system coordinate space.
 EVENTS_EXPORT gfx::Point EventSystemLocationFromNative(
     const base::NativeEvent& native_event);
 
 #if defined(USE_X11)
 // Returns the 'real' button for an event. The button reported in slave events
 // does not take into account any remapping (e.g. using xmodmap), while the
 // button reported in master events do. This is a utility function to always
 // return the mapped button.
 EVENTS_EXPORT int EventButtonFromNative(const base::NativeEvent& native_event);
+
+// Returns the target for an event.
+EVENTS_EXPORT gfx::AcceleratedWidget EventTargetFromNative(
+    const base::NativeEvent& native_event);

[sadrul, 2014/07/21 06:57:59]

Can this live inside desktop_window_tree_host_x11.cc instead? If not, move this
somewhere inside ui/events/x/ (x11_utils.h|cc perhaps).

 #endif
 
 // Returns the KeyboardCode from a native event.
 EVENTS_EXPORT KeyboardCode KeyboardCodeFromNative(
     const base::NativeEvent& native_event);
 
 // Returns the DOM KeyboardEvent code (physical location in the
 // keyboard) from a native event.  The ownership of the return value
 // is NOT trasferred to the caller.
 EVENTS_EXPORT const char* CodeFromNative(
@@ skipping 84 matching lines @@
 EVENTS_EXPORT LPARAM GetLParamFromScanCode(uint16 scan_code);
 
 #endif
 
 // Registers a custom event type.
 EVENTS_EXPORT int RegisterCustomEventType();
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_EVENT_UTILS_H_