chromium: Remove stuff for versions <= v51

We're already on version 52, so there really is no need to keep all
those conditionals and old patches anymore.

Tested dropping the unconditional build_fixes_46.patch via the Chromium
VM tests.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/applications/networking/browsers/chromium/common.nix

@@ -57,7 +57,7 @@ let
     use_system_libevent = true;
     use_system_libexpat = true;
     use_system_libjpeg = true;
-    use_system_libpng = versionOlder upstream-info.version "51.0.0.0";
+    use_system_libpng = false;
     use_system_libwebp = true;
     use_system_libxml = true;
     use_system_opus = true;
@@ -123,15 +123,11 @@ let
       ++ optionals gnomeSupport [ gnome.GConf libgcrypt ]
       ++ optional enableSELinux libselinux
       ++ optionals cupsSupport [ libgcrypt cups ]
-      ++ optional pulseSupport libpulseaudio
+      ++ optional pulseSupport libpulseaudio;
-      ++ optional (versionOlder version "51.0.0.0") libexif;
 
     patches = [
-      ./patches/build_fixes_46.patch
       ./patches/widevine.patch
-      (if versionOlder version "50.0.0.0"
+      ./patches/nix_plugin_paths_50.patch
-       then ./patches/nix_plugin_paths_46.patch
-       else ./patches/nix_plugin_paths_50.patch)
     ];
 
     postPatch = ''
@@ -141,18 +137,12 @@ let
         -e "/python_arch/s/: *'[^']*'/: '""'/" \
         build/common.gypi chrome/chrome_tests.gypi
 
-      ${optionalString (versionOlder version "51.0.0.0") ''
-        sed -i -e '/module_path *=.*libexif.so/ {
-          s|= [^;]*|= base::FilePath().AppendASCII("${libexif}/lib/libexif.so")|
-        }' chrome/utility/media_galleries/image_metadata_extractor.cc
-      ''}
-
       sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${libudev.out}/lib/\1!' \
         device/udev_linux/udev?_loader.cc
 
       sed -i -e '/libpci_loader.*Load/s!"\(libpci\.so\)!"${pciutils}/lib/\1!' \
         gpu/config/gpu_info_collector_linux.cc
-    '' + optionalString (!versionOlder version "51.0.0.0") ''
+
       sed -i -re 's/([^:])\<(isnan *\()/\1std::\2/g' \
         chrome/browser/ui/webui/engagement/site_engagement_ui.cc
     '';
@@ -185,9 +175,6 @@ let
       google_api_key = "AIzaSyDGi15Zwl11UNe6Y-5XW_upsfyw31qwZPI";
       google_default_client_id = "404761575300.apps.googleusercontent.com";
       google_default_client_secret = "9rIFQjfnkykEmqb6FfjJQD1D";
-
-    } // optionalAttrs (versionOlder version "51.0.0.0") {
-      use_system_libexif = true;
     } // optionalAttrs proprietaryCodecs {
       # enable support for the H.264 codec
       proprietary_codecs = true;

pkgs/applications/networking/browsers/chromium/patches/build_fixes_46.patch

@@ -1,14 +0,0 @@
-diff --git a/chrome/test/data/webui_test_resources.grd b/chrome/test/data/webui_test_resources.grd
-index 6f8530d..f92a76a 100644
---- a/chrome/test/data/webui_test_resources.grd
-+++ b/chrome/test/data/webui_test_resources.grd
-@@ -6,9 +6,4 @@
-     </output>
-     <output filename="webui_test_resources.pak" type="data_package" />
-   </outputs>
--  <release seq="1">
--    <includes>
--      <include name="IDR_WEBUI_TEST_I18N_PROCESS_CSS_TEST" file="webui/i18n_process_css_test.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
--    </includes>
--  </release>
- </grit>

pkgs/applications/networking/browsers/chromium/patches/nix_plugin_paths_46.patch

@@ -1,75 +0,0 @@
-diff --git a/chrome/common/chrome_paths.cc b/chrome/common/chrome_paths.cc
-index 74bf041..5f34198 100644
---- a/chrome/common/chrome_paths.cc
-+++ b/chrome/common/chrome_paths.cc
-@@ -66,21 +66,14 @@ static base::LazyInstance<base::FilePath>
-     g_invalid_specified_user_data_dir = LAZY_INSTANCE_INITIALIZER;
- 
- // Gets the path for internal plugins.
--bool GetInternalPluginsDirectory(base::FilePath* result) {
--#if defined(OS_MACOSX) && !defined(OS_IOS)
--  // If called from Chrome, get internal plugins from a subdirectory of the
--  // framework.
--  if (base::mac::AmIBundled()) {
--    *result = chrome::GetFrameworkBundlePath();
--    DCHECK(!result->empty());
--    *result = result->Append("Internet Plug-Ins");
--    return true;
--  }
--  // In tests, just look in the module directory (below).
--#endif
--
--  // The rest of the world expects plugins in the module directory.
--  return PathService::Get(base::DIR_MODULE, result);
-+bool GetInternalPluginsDirectory(base::FilePath* result,
-+                                 const std::string& ident) {
-+  std::string full_env = std::string("NIX_CHROMIUM_PLUGIN_PATH_") + ident;
-+  const char* value = getenv(full_env.c_str());
-+  if (value == NULL)
-+      return PathService::Get(base::DIR_MODULE, result);
-+  else
-+      *result = base::FilePath(value);
- }
- 
- #if defined(OS_WIN)
-@@ -253,11 +246,11 @@ bool PathProvider(int key, base::FilePath* result) {
-       create_dir = true;
-       break;
-     case chrome::DIR_INTERNAL_PLUGINS:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "ALL"))
-         return false;
-       break;
-     case chrome::DIR_PEPPER_FLASH_PLUGIN:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "PEPPERFLASH"))
-         return false;
-       cur = cur.Append(kPepperFlashBaseDirectory);
-       break;
-@@ -314,7 +307,7 @@ bool PathProvider(int key, base::FilePath* result) {
-     // We currently need a path here to look up whether the plugin is disabled
-     // and what its permissions are.
-     case chrome::FILE_NACL_PLUGIN:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "NACL"))
-         return false;
-       cur = cur.Append(kInternalNaClPluginFileName);
-       break;
-@@ -349,7 +342,7 @@ bool PathProvider(int key, base::FilePath* result) {
-         cur = cur.DirName();
-       }
- #else
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "PNACL"))
-         return false;
- #endif
-       cur = cur.Append(FILE_PATH_LITERAL("pnacl"));
-@@ -366,7 +359,7 @@ bool PathProvider(int key, base::FilePath* result) {
-     // In the component case, this is the source adapter. Otherwise, it is the
-     // actual Pepper module that gets loaded.
-     case chrome::FILE_WIDEVINE_CDM_ADAPTER:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "WIDEVINE"))
-         return false;
-       cur = cur.AppendASCII(kWidevineCdmAdapterFileName);
-       break;