1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/config/coverage/coverage.gni b/third_party/libwebrtc/build/config/coverage/coverage.gni
new file mode 100644
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--- /dev/null
+++ b/third_party/libwebrtc/build/config/coverage/coverage.gni
@@ -0,0 +1,40 @@
+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/toolchain/toolchain.gni")
+if (is_fuchsia) {
+  import("//third_party/fuchsia-sdk/sdk/build/component.gni")
+}
+
+# There are two ways to enable code coverage instrumentation:
+# 1. When |use_clang_coverage| or |use_jacoco_coverage| is true and
+#    |coverage_instrumentation_input_file| is empty, all source files or
+#    Java class files are instrumented.
+# 2. When |use_clang_coverage| or |use_jacoco_coverage| is true and
+#    |coverage_instrumentation_input_file| is NOT empty and points to
+#    a text file on the file system, ONLY source files specified in the
+#    input file or Java class files related to source files are instrumented.
+declare_args() {
+  # Enable Clang's Source-based Code Coverage.
+  if (is_fuchsia) {
+    use_clang_coverage = fuchsia_code_coverage
+  } else {
+    use_clang_coverage = false
+  }
+
+  # Enables JaCoCo Java code coverage.
+  use_jacoco_coverage = false
+
+  # The path to the coverage instrumentation input file should be a source root
+  # absolute path (e.g. //out/Release/coverage_instrumentation_input.txt), and
+  # the file consists of multiple lines where each line represents a path to a
+  # source file, and the paths must be relative to the root build directory.
+  # e.g. ../../base/task/post_task.cc for build directory 'out/Release'.
+  #
+  # NOTE that this arg will be non-op if use_clang_coverage is false.
+  coverage_instrumentation_input_file = ""
+}
+
+assert(!use_clang_coverage || is_clang,
+       "Clang Source-based Code Coverage requires clang.")