Eliminate third_party/mojo/src from all targets' include paths

components/filesystem/main.cc

Index: components/filesystem/main.cc
diff --git a/components/filesystem/main.cc b/components/filesystem/main.cc
index 6e25653fbd8d13114d91743f95db4264b465ff77..764f3f3a276ef3070e0da4fe4624f454bafe25c4 100644
--- a/components/filesystem/main.cc
+++ b/components/filesystem/main.cc
@@ -5,7 +5,7 @@
 #include "base/macros.h"
 #include "components/filesystem/file_system_app.h"
 #include "mojo/application/public/cpp/application_runner.h"
-#include "mojo/public/c/system/main.h"
+#include "third_party/mojo/src/mojo/public/c/system/main.h"
 
 MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunner runner(new filesystem::FileSystemApp());