DEPS: Sync Git subtree mirrors instead of symlinking into chromium/src

chromium/.gclient

Index: chromium/.gclient
diff --git a/chromium/.gclient b/chromium/.gclient
deleted file mode 100644
index 9d5dfcf7cf23cf4c2c90d575f5588cc4d69e5aaf..0000000000000000000000000000000000000000
--- a/chromium/.gclient
+++ /dev/null
@@ -1,23 +0,0 @@
-solutions = [{
-  'name': 'src',
-  'url': 'https://chromium.googlesource.com/chromium/src.git',
-  'deps_file': '.DEPS.git',
-  'managed': False,
-  'custom_deps': {
-    # Skip syncing some large dependencies WebRTC will never need.
-    'src/chrome/tools/test/reference_build/chrome_linux': None,
-    'src/chrome/tools/test/reference_build/chrome_mac': None,
-    'src/chrome/tools/test/reference_build/chrome_win': None,
-    'src/native_client': None,
-    'src/third_party/cld_2/src': None,
-    'src/third_party/hunspell_dictionaries': None,
-    'src/third_party/liblouis/src': None,
-    'src/third_party/pdfium': None,
-    'src/third_party/skia': None,
-    'src/third_party/trace-viewer': None,
-    'src/third_party/webrtc': None,
-  },
-  'safesync_url': ''
-}]
-
-cache_dir = None