Switch libcxx paths from trunk -> src.

Bug: chromium:1458042
Change-Id: I330d0f3c18310567c5a508dcd11b58c2828c3830
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/110750
Reviewed-by: Lei Zhang <thestig@chromium.org>
Auto-Submit: Joanna Wang <jojwang@google.com>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/.gitignore b/.gitignore
index cbf56f0..99e9749 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,7 +18,9 @@
 /third_party/icu
 /third_party/instrumented_libraries
 /third_party/jinja2
-/third_party/libcxx
+/third_party/libc++/src
+/third_party/libc++abi/src
+/third_party/libunwind/src
 /third_party/libjpeg_turbo
 /third_party/libpng
 /third_party/llvm
diff --git a/DEPS b/DEPS
index 0a00a1f..44acf08 100644
--- a/DEPS
+++ b/DEPS
@@ -251,7 +251,7 @@
   },
 
   # TODO(chromium:1458042): Remove these paths, when chromium builds files
-  # have moved to third_party/libcxx/lib*/trunk paths.
+  # have moved to third_party/lib*/src paths.
   'buildtools/third_party/libc++/trunk':
     Var('chromium_git') +
         '/external/github.com/llvm/llvm-project/libcxx.git@' +
@@ -341,17 +341,17 @@
     Var('chromium_git') + '/chromium/src/third_party/jinja2.git@' +
         Var('jinja2_revision'),
 
-  'third_party/libcxx/libc++/trunk':
+  'third_party/libc++/src':
     Var('chromium_git') +
         '/external/github.com/llvm/llvm-project/libcxx.git@' +
         Var('libcxx_revision'),
 
-  'third_party/libcxx/libc++abi/trunk':
+  'third_party/libc++abi/src':
     Var('chromium_git') +
         '/external/github.com/llvm/llvm-project/libcxxabi.git@' +
         Var('libcxxabi_revision'),
 
-  'third_party/libcxx/libunwind/trunk':
+  'third_party/libunwind/src':
     Var('chromium_git') +
         '/external/github.com/llvm/llvm-project/libunwind.git@' +
         Var('libunwind_revision'),