--- PKGBUILD.orig	2015-04-09 20:16:00.241430387 +0200
+++ PKGBUILD	2015-04-09 20:16:06.621334384 +0200
@@ -29,12 +29,14 @@
         chromium.desktop
         chromium.default
         chromium.sh
-        chromium-webkit-buffer-overflow.patch)
+        chromium-webkit-buffer-overflow.patch
+        chromium_widevine.patch)
 sha256sums=('c043d2eca41acaabd4f7068a5d9a21835dac2ca7705dd865d376c8a732ec8c3c'
             '09bfac44104f4ccda4c228053f689c947b3e97da9a4ab6fa34ce061ee83d0322'
             '478340d5760a9bd6c549e19b1b5d1c5b4933ebf5f8cfb2b3e2d70d07443fe232'
             'db3a2ea59c64f5aa4618a385b9db0ac488e900664126af578676b5f09939f9f6'
-            '870ca4516a0a5407b1e2da822a1ca4f201349c8699877f6bd248cd8e08e7f2f1')
+            '870ca4516a0a5407b1e2da822a1ca4f201349c8699877f6bd248cd8e08e7f2f1'
+            'b352ea3512368fd77b6d342a043645a61204907c3c0c564b31ac7a7aeaa6e7a5')
 
 # Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
 # Note: These are for Arch Linux use ONLY. For your own distribution, please
@@ -53,6 +55,14 @@
   _build_nacl=0
 fi
 
+WIDEVINE_VERSION="1.4.7.771" # CHROME_VERSION="41.0.2272.118"
+
+if [[ $CARCH == i686 ]]; then
+    _targetarch=ia32
+elif [[ $CARCH == x86_64 ]]; then
+    _targetarch=x64
+fi
+
 prepare() {
   cd "$srcdir/$pkgname-$pkgver"
 
@@ -77,6 +87,23 @@
       --packages nacl_x86_newlib,pnacl_newlib,pnacl_translator \
       sync --extract
   fi
+
+  # Add support for widevine cdm to this build.
+  # Note that the resulting package will *not* include the
+  # proprietary Widevine CDM, only the adapter library which is built from OSS:
+  cat ../chromium_widevine.patch \
+    | sed -e "s/@WIDEVINE_VERSION@/$WIDEVINE_VERSION/" \
+    | patch -p1
+  mkdir -p third_party/widevine/cdm/linux/${_targetarch}
+  cp third_party/widevine/cdm/widevine_cdm_*.h \
+     third_party/widevine/cdm/linux/${_targetarch}/
+
+     gcc -o third_party/widevine/cdm/linux/${_targetarch}/libwidevinecdm.so -shared -fPIC -nostdlib -xc - <<< "
+void CreateCdmInstance(void) {}
+void DeinitializeCdmModule(void) {}
+void GetCdmVersion(void) {}
+void InitializeCdmModule_4(void) {}
+"
 }
 
 build() {
@@ -126,7 +153,8 @@
     -Duse_mojo=0
     -Duse_gconf=0
     -Ddisable_fatal_linker_warnings=1
-    -Ddisable_glibc=1)
+    -Ddisable_glibc=1
+    -Denable_pepper_cdms=1)
 
   if (( ! $_build_nacl )); then
     _chromium_conf+=(