build: [gn mac] copy ffmpeg lib to framework bundle (#14225)

* build: [gn mac] copy ffmpeg lib to framework bundle

* Pull build config from enviroment variable

* build: use component ffmpeg in testing mode

BUILD.gn

@@ -437,6 +437,27 @@ if (is_mac) {
     ]
   }
 
+  if (!is_component_build) {
+    bundle_data("electron_framework_libraries") {
+      sources = []
+      public_deps = []
+      if (is_component_ffmpeg) {
+        sources += [
+          "$root_out_dir/libffmpeg.dylib",
+        ]
+        public_deps += [
+          "//third_party/ffmpeg:ffmpeg",
+        ]
+      }
+      outputs = [
+        "{{bundle_contents_dir}}/Libraries/{{source_file_part}}",
+      ]
+    }
+  } else {
+    group("electron_framework_libraries") {
+    }
+  }
+
   bundle_data("electron_crashpad_helper") {
     sources = [
       "$root_out_dir/crashpad_handler",
@@ -460,6 +481,7 @@ if (is_mac) {
     ]
     deps = [
       ":electron_framework_resources",
+      ":electron_framework_libraries",
       ":electron_xibs",
     ]
     if (!is_mas_build) {

build/args/testing.gn

@@ -4,4 +4,4 @@ is_component_build = false
 is_official_build = false
 dcheck_always_on = true
 symbol_level = 1
-use_jumbo_build = true
+is_component_ffmpeg = true

vsts-gn.yml

@@ -37,7 +37,8 @@ phases:
       "$SCCACHE_WRAPPER" -s
       echo "##vso[task.setvariable variable=SCCACHE_WRAPPER]$SCCACHE_WRAPPER"
       echo "##vso[task.setvariable variable=CHROMIUM_BUILDTOOLS_PATH]`pwd`/buildtools"
-      gn gen out/Default --args='import("//electron/build/args/testing.gn") cc_wrapper="'"$SCCACHE_WRAPPER"'"'
+      echo "GN gen for: $GN_CONFIG"
+      gn gen out/Default --args='import("'$GN_CONFIG'") cc_wrapper="'"$SCCACHE_WRAPPER"'"'
     name: GN_gen
 
   - bash: |