Build components and run components_tests on iOS

DEPS

 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://svn.code.sf.net/p/%(repo)s/code",
   "webkit_trunk": "http://src.chromium.org/blink/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
@@ skipping 328 matching lines @@
     "src/media/cdm/ppapi/api": None,
     "src/native_client": None,
     "src/native_client/src/third_party/ppapi": None,
     "src/third_party/angle_dx11": None,
     "src/third_party/cld_2/src": None,
     "src/third_party/bidichecker": None,
     "src/third_party/webgl_conformance": None,
     "src/third_party/ffmpeg": None,
     "src/third_party/hunspell_dictionaries": None,
     "src/third_party/hunspell": None,
-    "src/third_party/leveldatabase/src": None,
     "src/third_party/libexif/sources": None,
     "src/third_party/libjpeg_turbo": None,
     "src/third_party/libsrtp": None,
     "src/third_party/usrsctp/usrsctplib": None,
     "src/third_party/libvpx": None,
     "src/third_party/libyuv": None,
     "src/third_party/mesa/src": None,
     "src/third_party/opus/src": None,
     "src/third_party/openmax_dl": None,
     "src/third_party/ots": None,
     "src/third_party/pymox/src": None,
     "src/third_party/safe_browsing/testing": None,
     "src/third_party/scons-2.0.1": None,
     "src/third_party/sfntly/cpp/src": None,
     "src/third_party/smhasher/src": None,
-    "src/third_party/snappy/src": None,
     "src/third_party/swig/Lib": None,
     "src/third_party/undoview": None,
     "src/third_party/v8-i18n": None,
     "src/third_party/webdriver/pylib": None,
     "src/third_party/webpagereplay": None,
     "src/third_party/webrtc": None,
     "src/third_party/yasm/source/patched-yasm": None,
     "src/tools/page_cycler/acid3": None,
     "src/v8": None,
   },
@@ skipping 240 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "name": "landmines",
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]