LOG(INFO) << "[Browser process] "

<< "X error received: "

<< "type " << event->type << ", "

<< "serial " << event->serial << ", "

<< "error_code " << static_cast<int>(event->error_code) << ", "

<< "request_code " << static_cast<int>(event->request_code) << ", "

<< "minor_code " << static_cast<int>(event->minor_code);

return 0;

// Copied from upstream cefclient.

// Install xlib error handlers so that the application won't be terminated

// on non-fatal errors. Must be done after initializing GTK.

LOG(INFO) << "[Browser process] Install X11 error handlers";

XSetErrorHandler(XErrorHandlerImpl);

XSetIOErrorHandler(XIOErrorHandlerImpl);

int x, int y, int width, int height) {

REQUIRE_UI_THREAD();

// xwindow is 0 for windowless (OSR) browsers - nothing to resize, and no

// need to touch X11 at all, so check this first.

::Window xwindow = browser->GetHost()->GetWindowHandle();

if (!xwindow) return;

// cef_get_xdisplay() is NULL off the UI thread (cef_types_linux.h; the

// assert above is compiled out in release builds) and on any thread when

// the app selects a non-X11 Ozone backend with no X server.

// XConfigureWindow(NULL, ...) segfaults (verified), so no-op instead.

::Display* xdisplay = cef_get_xdisplay();

if (!xdisplay) {

LOG(INFO) << "[Browser process] SetX11WindowBounds: no X11 display "

"(wrong thread or non-X11 backend), skipping";

return;

}

XWindowChanges changes = {0};

changes.x = x;

changes.y = y;

changes.width = static_cast<int>(width);

changes.height = static_cast<int>(height);

XConfigureWindow(xdisplay, xwindow,

CWX | CWY | CWHeight | CWWidth, &changes);

XFlush(xdisplay);

REQUIRE_UI_THREAD();

// xwindow is 0 for windowless (OSR) browsers - no title bar to set.

::Window xwindow = browser->GetHost()->GetWindowHandle();

if (!xwindow) return;

// See SetX11WindowBounds: NULL off the UI thread or on a non-X11 Ozone

// backend; XStoreName(NULL, ...) would segfault.

::Display* xdisplay = cef_get_xdisplay();

if (!xdisplay) {

LOG(INFO) << "[Browser process] SetX11WindowTitle: no X11 display "

"(wrong thread or non-X11 backend), skipping";

return;

}

XStoreName(xdisplay, xwindow, title);