diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index dcd2f78a4f5e..b70825670156 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -26,6 +26,8 @@
 , gnomeSupport ? false, gconf ? null
 , gnomeKeyringSupport ? false, libgnome_keyring3 ? null
 , proprietaryCodecs ? true
+, enablePepperFlash ? false
+, enablePepperPDF ? false
 , cupsSupport ? false
 , pulseSupport ? false, pulseaudio ? null
 }:
@@ -151,6 +153,68 @@ let
     binary = "${packageName}_sandbox";
   };
 
+  binaryPlugins = stdenv.mkDerivation {
+    name = "chromium-binary-plugins";
+
+    # XXX: Only temporary and has to be version-specific
+    src = fetchurl {
+      url = "https://dl.google.com/linux/chrome/deb/pool/main/g/"
+          + "google-chrome-unstable/google-chrome-unstable_"
+          + "35.0.1897.2-1_amd64.deb";
+      sha1 = "b68683fc5321d10536e4135c266b14894b7668ed";
+    };
+
+    phases = [ "unpackPhase" "patchPhase" "checkPhase" "installPhase" ];
+    outputs = [ "pdf" "flash" ];
+
+    unpackCmd = ''
+      ensureDir plugins
+      ar p "$src" data.tar.lzma | tar xJ -C plugins --strip-components=4 \
+        ./opt/google/chrome-unstable/PepperFlash \
+        ./opt/google/chrome-unstable/libpdf.so
+    '';
+
+    doCheck = true;
+    checkPhase = ''
+      ! find -iname '*.so' -exec ldd {} + | grep 'not found'
+    '';
+
+    patchPhase = let
+      rpaths = [ stdenv.gcc.gcc ];
+      mkrpath = p: "${makeSearchPath "lib64" p}:${makeSearchPath "lib" p}";
+    in ''
+      for sofile in PepperFlash/libpepflashplayer.so libpdf.so; do
+        chmod +x "$sofile"
+        patchelf --set-rpath "${mkrpath rpaths}" "$sofile"
+      done
+    '';
+
+    installPhase = let
+      pdfName = "Chrome PDF Viewer";
+      pdfDescription = "Portable Document Format";
+      pdfMimeTypes = concatStringsSep ";" [
+        "application/pdf"
+        "application/x-google-chrome-print-preview-pdf"
+      ];
+      pdfInfo = "#${pdfName}#${pdfDescription};${pdfMimeTypes}";
+    in ''
+      install -vD libpdf.so "$pdf/lib/libpdf.so"
+      ensureDir "$pdf/nix-support"
+      echo "--register-pepper-plugins='$pdf/lib/libpdf.so${pdfInfo}'" \
+        > "$pdf/nix-support/chromium-flags"
+
+      flashVersion="$(
+        sed -n -r 's/.*"version": "([^"]+)",.*/\1/p' PepperFlash/manifest.json
+      )"
+
+      install -vD libpepflashplayer.so "$flash/lib/libpepflashplayer.so"
+      ensureDir "$flash/nix-support"
+      echo "--ppapi-flash-path='$flash/lib/libpepflashplayer.so'" \
+           "--ppapi-flash-version=$flashVersion" \
+           > "$flash/nix-support/chromium-flags"
+    '';
+  };
+
   # build paths and release info
   packageName = "chromium";
   buildType = "Release";
@@ -248,7 +312,12 @@ in stdenv.mkDerivation rec {
         chrome ${optionalString (!enableSELinux) "chrome_sandbox"}
   '';
 
-  installPhase = ''
+  installPhase = let
+    enabledPlugins = optional enablePepperFlash binaryPlugins.flash
+                  ++ optional enablePepperPDF   binaryPlugins.pdf;
+    getFlags = plugin: "$(< ${plugin}/nix-support/chromium-flags)";
+    pluginArgs = concatStringsSep " " (map getFlags enabledPlugins);
+  in ''
     ensureDir "${libExecPath}"
     cp -v "${buildPath}/"*.pak "${libExecPath}/"
     ${optionalString (!versionOlder src.version "34.0.0.0") ''
@@ -260,7 +329,8 @@ in stdenv.mkDerivation rec {
     cp -v "${buildPath}/chrome" "${libExecPath}/${packageName}"
 
     mkdir -vp "$out/bin"
-    makeWrapper "${libExecPath}/${packageName}" "$out/bin/${packageName}"
+    makeWrapper "${libExecPath}/${packageName}" "$out/bin/${packageName}" \
+      --add-flags "${pluginArgs}"
 
     mkdir -vp "$out/share/man/man1"
     cp -v "${buildPath}/chrome.1" "$out/share/man/man1/${packageName}.1"