diff --git a/chromium-browser-stable.spec b/chromium-browser-stable.spec
index b1f08f2..5dd7816 100644
--- a/chromium-browser-stable.spec
+++ b/chromium-browser-stable.spec
@@ -13,7 +13,7 @@
 Summary:	A fast web browser based on the Blink engine
 Name:		chromium-browser-stable
 Version:	47.0.2526.106
-Release:	1
+Release:	2
 License:	BSD, LGPL
 Group:		Networking/WWW
 Source0:	https://commondatastorage.googleapis.com/chromium-browser-official/chromium-%{version}.tar.xz
@@ -45,29 +45,33 @@ Patch101:	chromium-arm-r0.patch
 Patch500:	chromium-third-party-cookies-off-by-default.patch
 Patch501:	chromium-ps-print.patch
 
+# Patch to fix build with use_system_libvpx
+# Chromium bug #541273
+Patch600:	unbundle-libvpx_new-fix.patch
+
 Provides:	%{crname} = %{EVRD}
 Conflicts:	chromium-browser-unstable
 Conflicts:	chromium-browser-beta
 Obsoletes:	chromium-browser < 1:9.0.597.94
+BuildRequires:	%{_lib}re2-devel
+BuildRequires:	%{_lib}snappy-devel
 BuildRequires:	bison
-BuildRequires:	flex
-BuildRequires:	gperf
-BuildRequires:	gyp
-BuildRequires:	ninja
-BuildRequires:	util-linux
-BuildRequires:	yasm
 BuildRequires:	bzip2-devel
 BuildRequires:	cap-devel
 BuildRequires:	cups-devel
 BuildRequires:	elfutils-devel
+BuildRequires:	flex
+BuildRequires:	gperf
+BuildRequires:	gyp
 BuildRequires:	jpeg-devel
+BuildRequires:	ninja
 BuildRequires:	pam-devel
-BuildRequires:	speech-dispatcher-devel
 BuildRequires:	pkgconfig(alsa)
 BuildRequires:	pkgconfig(atk)
 BuildRequires:	pkgconfig(dbus-glib-1)
 BuildRequires:	pkgconfig(expat)
 BuildRequires:	pkgconfig(flac)
+BuildRequires:	pkgconfig(fontconfig)
 BuildRequires:	pkgconfig(gconf-2.0)
 BuildRequires:	pkgconfig(gl)
 BuildRequires:	pkgconfig(glib-2.0)
@@ -76,6 +80,8 @@ BuildRequires:	pkgconfig(gnome-keyring-1)
 BuildRequires:	pkgconfig(gstreamer-plugins-base-1.0)
 BuildRequires:	pkgconfig(gtk+-2.0)
 BuildRequires:	pkgconfig(harfbuzz)
+BuildRequires:	pkgconfig(icu-i18n)
+BuildRequires:	pkgconfig(jsoncpp)
 BuildRequires:	pkgconfig(libevent)
 BuildRequires:	pkgconfig(libexif)
 BuildRequires:	pkgconfig(libgcrypt)
@@ -96,6 +102,9 @@ BuildRequires:	pkgconfig(xscrnsaver)
 BuildRequires:	pkgconfig(xt)
 BuildRequires:	pkgconfig(xtst)
 BuildRequires:	pkgconfig(zlib)
+BuildRequires:	speech-dispatcher-devel
+BuildRequires:	util-linux
+BuildRequires:	yasm
 
 %if 0%{?clang}
 BuildRequires:  clang
@@ -134,7 +143,7 @@ your profile before changing channels.
 %{_crdir}/chromium-wrapper
 %{_crdir}/chrome
 %{_crdir}/chrome-sandbox
-%{_crdir}/icudtl.dat
+#%{_crdir}/icudtl.dat
 %{_crdir}/locales
 %{_crdir}/lib
 %{_crdir}/resources.pak
@@ -193,8 +202,47 @@ members of the Chromium and WebDriver teams.
 %prep
 %setup -qn chromium-%{version} -a 998 -a 997 -a 999
 
-# remove some third_party
+# files we do not want from upstream source bundles
+rm -rf breakpad/src/processor/testdata/
+rm -rf chrome/app/test_data/dlls/
+rm -rf chrome/common/extensions/docs/
+#rm -rf chrome/test/data/
+rm -rf chrome/tools/test/reference_build/chrome_linux/
+rm -rf components/test/data/component_updater/jebgalgnebhfojomionfpkfelancnnkf/component1.dll
+rm -rf content/test/data/
+rm -rf net/data/
+rm -rf ppapi/examples/
+rm -rf ppapi/native_client/tests/
+rm -rf third_party/apache-win32/
 rm -rf third_party/binutils/
+rm -rf third_party/expat/files/
+rm -rf third_party/flac/include
+rm -rf third_party/flac/src
+rm -rf third_party/lcov
+rm -rf third_party/libevent/*/*
+rm -rf third_party/libevent/*.[ch]
+rm -rf libexif/sources
+rm -rf libjpeg/*.[ch]
+rm -rf libjpeg_turbo
+rm -rf libpng/*.[ch]
+rm -rf libxslt/libexslt
+rm -rf libxslt/libxslt
+rm -rf libxslt/linux
+rm -rf libxslt/mac
+rm -rf libxslt/win32
+rm -rf mesa/src/src
+rm -rf swig
+rm -rf third_party/WebKit/LayoutTests/
+rm -rf third_party/WebKit/Tools/Scripts/
+rm -rf third_party/xdg-utils/tests/
+rm -rf third_party/yasm/source/
+rm -rf tools/gyp/test/
+rm -rf v8/test/
+
+# Remove bundled ICU; its header files appear to get picked up instead of
+# the system ones, leading to errors during the final link stage.
+# https://groups.google.com/a/chromium.org/d/topic/chromium-packagers/BNGvJc08B6Q
+find third_party/icu -type f \! -regex '.*\.\(gyp\|gypi\|isolate\)' -delete
 
 %patch4 -p1 -b .prefs
 
@@ -213,6 +261,8 @@ rm -rf third_party/binutils/
 %patch500 -p1
 %patch501 -p2
 
+%patch600 -p1
+
 ### build with widevine support
 
 # Patch from crbug (chromium bugtracker)
@@ -247,6 +297,12 @@ buildconfig+="-Dwerror=
 		-Ddisable_newlib_untar=0
 		-Duse_system_xdg_utils=1
 		-Denable_hotwording=0
+		-Denable_widevine=1
+		-Denable_hidpi=1
+		-Denable_touch_ui=1
+		-Duse_gnome_keyring=1
+		-Duse_gconf=0
+		-Duse_sysroot=0
 		-Duse_aura=1"
 
 %if 0%{?clang}
@@ -259,6 +315,9 @@ buildconfig+=" -Dclang=0"
 %if 0%{?chromium_system_libs}
 buildconfig+=" -Duse_system_flac=1
 		-Duse_system_speex=1
+		-Duse_system_fontconfig=1
+		-Duse_system_jsoncpp=1
+		-Duse_system_expat=1
 		-Duse_system_libexif=1
 		-Duse_system_libevent=1
 		-Duse_system_libmtp=1
@@ -271,7 +330,11 @@ buildconfig+=" -Duse_system_flac=1
 		-Duse_system_libxml=1
 		-Duse_system_libyuv=1
 		-Duse_system_nspr=1
-		-Duse_system_protobuf=1
+		-Duse_system_protobuf=0
+		-Duse_system_re2=1
+		-Duse_system_snappy=1
+		-Duse_system_zlib=1
+		-Duse_system_libvpx=1
 		-Duse_system_yasm=1"
 %else
 buildconfig+=" -Duse_system_flac=0
@@ -298,6 +361,7 @@ buildconfig+=" -Dsystem_libdir=lib64
 %endif
 
 buildconfig+=" -Duse_system_icu=0
+		-Dicu_use_data_file_flag=0
 		-Duse_pulseaudio=1
 		-Dlinux_link_libpci=1
 		-Dlinux_link_gnome_keyring=1
@@ -343,7 +407,7 @@ install -m 4755 out/Release/chrome_sandbox %{buildroot}%{_crdir}/chrome-sandbox
 cp -a out/Release/chromedriver %{buildroot}%{_crdir}/chromedriver
 install -m 644 out/Release/chrome.1 %{buildroot}%{_mandir}/man1/%{crname}.1
 install -m 644 out/Release/*.pak %{buildroot}%{_crdir}/
-install -m 644 out/Release/icudtl.dat %{buildroot}%{_crdir}/
+#install -m 644 out/Release/icudtl.dat %{buildroot}%{_crdir}/
 cp -a out/Release/*_blob.bin %{buildroot}%{_crdir}/
 
 # chromium components