Update DEPS to use googlesource mirrors

Bug: skia:7509
Change-Id: I514b4260ffffd4de0f6182f745b475f169adbaf2
Reviewed-on: https://skia-review.googlesource.com/101500
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
diff --git a/DEPS b/DEPS
index 18eb29f..e033e87 100644
--- a/DEPS
+++ b/DEPS
@@ -10,19 +10,19 @@
   "third_party/externals/googletest"    : "https://android.googlesource.com/platform/external/googletest@dd43b9998e9a44a579a7aba6c1309407d1a5ed95",
   "third_party/externals/harfbuzz"      : "https://skia.googlesource.com/third_party/harfbuzz.git@1.4.2",
   "third_party/externals/icu"           : "https://chromium.googlesource.com/chromium/deps/icu.git@ec9c1133693148470ffe2e5e53576998e3650c1d",
-  "third_party/externals/imgui"         : "https://github.com/ocornut/imgui.git@6384eee34f08cb7eab8d835043e1738e4adcdf75",
+  "third_party/externals/imgui"         : "https://skia.googlesource.com/external/github.com/ocornut/imgui.git@6384eee34f08cb7eab8d835043e1738e4adcdf75",
   "third_party/externals/jsoncpp"       : "https://chromium.googlesource.com/external/github.com/open-source-parsers/jsoncpp.git@1.0.0",
-  "third_party/externals/libjpeg-turbo" : "https://github.com/libjpeg-turbo/libjpeg-turbo.git@1.5.3",
+  "third_party/externals/libjpeg-turbo" : "https://skia.googlesource.com/external/github.com/libjpeg-turbo/libjpeg-turbo.git@1.5.3",
   "third_party/externals/libpng"        : "https://skia.googlesource.com/third_party/libpng.git@v1.6.33",
   "third_party/externals/libwebp"       : "https://chromium.googlesource.com/webm/libwebp.git@v0.6.0",
-  "third_party/externals/lua"           : "https://github.com/lua/lua@v5-3-4",
+  "third_party/externals/lua"           : "https://skia.googlesource.com/external/github.com/lua/lua.git@v5-3-4",
   "third_party/externals/microhttpd"    : "https://android.googlesource.com/platform/external/libmicrohttpd@748945ec6f1c67b7efc934ab0808e1d32f2fb98d",
   "third_party/externals/piex"          : "https://android.googlesource.com/platform/external/piex.git@8f540f64b6c170a16fb7e6e52d61819705c1522a",
   "third_party/externals/sdl"           : "https://skia.googlesource.com/third_party/sdl@5d7cfcca344034aff9327f77fc181ae3754e7a90",
   "third_party/externals/sfntly"        : "https://chromium.googlesource.com/external/github.com/googlei18n/sfntly.git@b18b09b6114b9b7fe6fc2f96d8b15e8a72f66916",
   "third_party/externals/skcms"         : "https://skia.googlesource.com/skcms@59d8845",
-  "third_party/externals/spirv-headers" : "https://github.com/KhronosGroup/SPIRV-Headers.git@661ad91124e6af2272afd00f804d8aa276e17107",
-  "third_party/externals/spirv-tools"   : "https://github.com/KhronosGroup/SPIRV-Tools.git@e9e4393b1c5aad7553c05782acefbe32b42644bd",
+  "third_party/externals/spirv-headers" : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers.git@661ad91124e6af2272afd00f804d8aa276e17107",
+  "third_party/externals/spirv-tools"   : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@e9e4393b1c5aad7553c05782acefbe32b42644bd",
  #"third_party/externals/v8"            : "https://chromium.googlesource.com/v8/v8.git@5f1ae66d5634e43563b2d25ea652dfb94c31a3b4",
   "third_party/externals/zlib"          : "https://chromium.googlesource.com/chromium/src/third_party/zlib@e7afdfe128e01ca480a28f757b571957befdd962",
 }