Add gflags dependency

.gitignore

Index: .gitignore
diff --git a/.gitignore b/.gitignore
index fc5b6632932a6e1a3166edf42d73105ea929dc85..4e752d1093c721bc29342d7fe8e6d1271f25206f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,38 +1,95 @@
 *.pyc
 .gn
 pin-log.txt
-base
-build
-buildtools
-chromium/.gclient.tmp
-chromium/.gclient.tmp_entries
-chromium/.last_sync_chromium
-chromium/src/
-google_apis
-links
-net
-out/
-sde-avx-sse-transition-out.txt
-testing
-third_party/
-tools/android
-tools/clang
-tools/find_depot_tools.py
-tools/generate_library_loader
-tools/gn
-tools/grit
-tools/gyp
-tools/isolate_driver.py
-tools/memory
-tools/protoc_wrapper
-tools/python
-tools/relocation_packer
-tools/sanitizer_options
-tools/swarming_client
-tools/tsan_suppressions
-tools/valgrind
-tools/vim
-tools/win
+/base
+/build
+/buildtools
+/chromium/.gclient.tmp
+/chromium/.gclient.tmp_entries
+/chromium/.last_sync_chromium
+/chromium/src/
+/google_apis
+/links
+/net
+/out
+/sde-avx-sse-transition-out.txt
+/testing
+/third_party/android_platform
+/third_party/android_testrunner
+/third_party/android_tools
+/third_party/appurify-python
+/third_party/asan
+/third_party/ashmem
+/third_party/binutils
+/third_party/boringssl
+/third_party/BUILD.gn
+/third_party/clang_format
+/third_party/class-dump
+/third_party/colorama
+/third_party/cygwin
+/third_party/directxsdk
+/third_party/drmemory
+/third_party/expat
+/third_party/gaeunit
+/third_party/gflags/src
+/third_party/icu
+/third_party/instrumented_libraries
+/third_party/ijar
+/third_party/jsoncpp
+/third_party/jsr-305
+/third_party/junit
+/third_party/junit-jar
+/third_party/libc++
+/third_party/libc++abi
+/third_party/libevent
+/third_party/libjingle
+/third_party/libjpeg
+/third_party/libjpeg_turbo
+/third_party/libsrtp
+/third_party/libvpx_new
+/third_party/libxml
+/third_party/libudev
+/third_party/libyuv
+/third_party/llvm
+/third_party/llvm-build
+/third_party/lss
+/third_party/mockito
+/third_party/modp_b64
+/third_party/nss
+/third_party/oauth2
+/third_party/ocmock
+/third_party/openmax_dl
+/third_party/opus
+/third_party/proguard
+/third_party/protobuf
+/third_party/requests
+/third_party/robolectric
+/third_party/sqlite
+/third_party/syzygy
+/third_party/usrsctp
+/third_party/valgrind
+/third_party/WebKit
+/third_party/winsdk_samples/src
+/third_party/yasm
+/third_party/zlib
+/tools/android
+/tools/clang
+/tools/find_depot_tools.py
+/tools/generate_library_loader
+/tools/gn
+/tools/grit
+/tools/gyp
+/tools/isolate_driver.py
+/tools/memory
+/tools/protoc_wrapper
+/tools/python
+/tools/relocation_packer
+/tools/sanitizer_options
+/tools/swarming_client
+/tools/tsan_suppressions
+/tools/valgrind
+/tools/vim
+/tools/win
 
 # Files generated by CMake build
 cmake_install.cmake