update chromium and v8 patches

patches/common/chromium/allow_nested_error_trackers.patch

@@ -1,3 +1,24 @@
+From 602c08e90102a25894a4d48d236258cae6b982c6 Mon Sep 17 00:00:00 2001
+From: Charles Kerr <charles@charleskerr.com>
+Date: Thu, 20 Sep 2018 17:50:17 -0700
+Subject: allow_nested_error_trackers.patch
+
+Only one X11ErrorTracker should exist at a time, but upstream has a bug
+where two can exist if running in headless mode --
+  ui::(anonymous namespace)::SupportsEWMH() [inner tracker is created]
+  ui::WmSupportsHint()
+  ui::IsX11WindowFullScreen()
+  ui::ScreensaverWindowFinder::IsScreensaverWindow()
+  ui::ScreensaverWindowFinder::ShouldStopIterating()
+  ui::EnumerateTopLevelWindows()
+  ui::ScreensaverWindowFinder::ScreensaverWindowExists() [outer tracker created]
+  ui::CheckIdleStateIsLocked()
+  ui::CalculateIdleState()
+Removal of either tracker could have side-effects in some code paths,
+so this is probably better handled upstream. This patch tries to do the
+least harm in the interim by removing the check that prevents more than
+one tracker from existing at a time.
+
 diff --git a/ui/gfx/x/x11_error_tracker.cc b/ui/gfx/x/x11_error_tracker.cc
 index af031de356c5..2a5c18dc473a 100644
 --- a/ui/gfx/x/x11_error_tracker.cc
@@ -11,3 +32,6 @@ index af031de356c5..2a5c18dc473a 100644
    g_handler = this;
    XSync(GetXDisplay(), False);
    old_handler_ = XSetErrorHandler(X11ErrorHandler);
+-- 
+2.17.0
+