More work on content/browser GN build.

build/config/linux/BUILD.gn

Index: build/config/linux/BUILD.gn
diff --git a/build/config/linux/BUILD.gn b/build/config/linux/BUILD.gn
index e31f991165981df8eb4840d64e16136c954e746d..bfe242c3f7b94b17f5714c58407cd53c895ceeff 100644
--- a/build/config/linux/BUILD.gn
+++ b/build/config/linux/BUILD.gn
@@ -49,6 +49,8 @@ pkg_config("udev") {
   packages = [ "libudev" ]
 }
 
+# Note: if your target also depends on //dbus, you don't need to add this
+# config (it will get added automatically if you depend on //dbus).
 pkg_config("dbus") {
   packages = [ "dbus-1" ]
 }
@@ -157,8 +159,7 @@ generate_library_loader("gio") {
   name = "LibGioLoader"
   output_h = "libgio.h"
   output_cc = "libgio_loader.cc"
-  # TODO(brettw) convert ti "<gio/gio.h>" once GN doesn't mangle <>.
-  header = "\"gio/gio.h\""
+  header = "<gio/gio.h>"
   config = ":gio_config"
 
   functions = [
@@ -185,8 +186,7 @@ generate_library_loader("libpci") {
   name = "LibPciLoader"
   output_h = "libpci.h"
   output_cc = "libpci_loader.cc"
-  # TODO(brettw) convert to "<pci/pci.h>" once GN doesn't mangle <>.
-  header = "\"pci/pci.h\""
+  header = "<pci/pci.h>"
   config = ":libpci_config"
 
   functions = [