[build] Share windows runtime dlls with src/build

Bug: chromium:653569
Change-Id: I6ced614819f9fd7f594acf2fd08c491f16d3eed5
Reviewed-on: https://webrtc-review.googlesource.com/68480
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#22790}
diff --git a/rtc_base/BUILD.gn b/rtc_base/BUILD.gn
index 2520a9c..1f8e5cc 100644
--- a/rtc_base/BUILD.gn
+++ b/rtc_base/BUILD.gn
@@ -14,9 +14,6 @@
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
-if (is_win) {
-  import("//build/config/clang/clang.gni")
-}
 
 group("base") {
   public_deps = [
@@ -367,6 +364,7 @@
   cflags = []
   defines = []
   libs = []
+  data_deps = []
   deps = [
     ":atomicops",
     ":checks",
@@ -458,80 +456,9 @@
 
   if (is_win) {
     sources += [ "file_win.cc" ]
+    data_deps += [ "//build/win:runtime_libs" ]
   }
 
-  if (is_component_build && is_win) {
-    # Copy the VS runtime DLLs into the isolate so that they don't have to be
-    # preinstalled on the target machine. The debug runtimes have a "d" at
-    # the end.
-    # This is a copy of https://codereview.chromium.org/1783973002.
-    # TODO(ehmaldonado): We'd like Chromium to make this changes easier to use,
-    # so we don't have to copy their changes and risk breakages.
-    # See http://crbug.com/653569
-    if (is_debug) {
-      vcrt_suffix = "d"
-    } else {
-      vcrt_suffix = ""
-    }
-
-    # These runtime files are copied to the output directory by the
-    # vs_toolchain script that runs as part of toolchain configuration.
-    data = [
-      "$root_out_dir/msvcp140${vcrt_suffix}.dll",
-      "$root_out_dir/vccorlib140${vcrt_suffix}.dll",
-      "$root_out_dir/vcruntime140${vcrt_suffix}.dll",
-
-      # Universal Windows 10 CRT files
-      "$root_out_dir/api-ms-win-core-console-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-datetime-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-debug-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-errorhandling-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-file-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-file-l1-2-0.dll",
-      "$root_out_dir/api-ms-win-core-file-l2-1-0.dll",
-      "$root_out_dir/api-ms-win-core-handle-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-heap-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-interlocked-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-libraryloader-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-localization-l1-2-0.dll",
-      "$root_out_dir/api-ms-win-core-memory-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-namedpipe-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-processenvironment-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-processthreads-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-processthreads-l1-1-1.dll",
-      "$root_out_dir/api-ms-win-core-profile-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-rtlsupport-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-string-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-synch-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-synch-l1-2-0.dll",
-      "$root_out_dir/api-ms-win-core-sysinfo-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-timezone-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-core-util-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-conio-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-convert-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-environment-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-filesystem-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-heap-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-locale-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-math-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-multibyte-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-private-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-process-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-runtime-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-stdio-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-string-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-time-l1-1-0.dll",
-      "$root_out_dir/api-ms-win-crt-utility-l1-1-0.dll",
-      "$root_out_dir/ucrtbase${vcrt_suffix}.dll",
-    ]
-    if (is_asan) {
-      if (current_cpu == "x64") {
-        data += [ "$clang_base_path/lib/clang/$clang_version/lib/windows/clang_rt.asan_dynamic-x86_64.dll" ]
-      } else {
-        data += [ "$clang_base_path/lib/clang/$clang_version/lib/windows/clang_rt.asan_dynamic-i386.dll" ]
-      }
-    }
-  }
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
   }