Moving SwiftShader from component to bundled library

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index e22683b4fb223b97ebea2e5dcd2170ce6e80ba05..a54c83f99ab6d50b0ee23fe5273ff452e443d574 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -145,6 +145,7 @@ source_set("browser") {
     "//ui/gfx/geometry",
     "//ui/gfx/geometry/mojo",
     "//ui/gl",
+    "//ui/gl:gl_features",
     "//ui/native_theme",
     "//ui/resources",
     "//ui/shell_dialogs",
@@ -1568,6 +1569,12 @@ source_set("browser") {
       ]
       deps += [ "//third_party/webrtc/modules/desktop_capture" ]
     }
+
+    # SwiftShader only supports x86 or x64 architectures
+    # On Linux, only x11 is supported
+    if ((target_cpu == "x86" || target_cpu == "x64") && (use_x11 || !is_linux)) {
+      deps += [ "//third_party/swiftshader" ]
+    }
   }
 
   if (is_win) {