Implement trigonometric functions using a fdlibm port.

DEPS

 # Note: The buildbots evaluate this file with CWD set to the parent
 # directory and assume that the root of the checkout is in ./v8/, so
 # all paths in here must match this assumption.
 
 vars = {
   "chromium_trunk": "https://src.chromium.org/svn/trunk",
 
   "buildtools_revision": "fb782d4369d5ae04f17a2fceef7de5a63e50f07b",
 }
 
@@ skipping 23 matching lines @@
 
     "v8/third_party/python_26":
       Var("chromium_trunk") + "/tools/third_party/python_26@89111",
   }
 }
 
 include_rules = [
   # Everybody can use some things.
   "+include",
   "+unicode",
+  "+third_party/fdlibm",
 ]
 
 # checkdeps.py shouldn't check for includes in these directories:
 skip_child_includes = [
   "build",
   "third_party",
 ]
 
 hooks = [
   # Pull clang-format binaries using checked-in hashes.
@@ skipping 29 matching lines @@
                 "--bucket", "chromium-clang-format",
                 "-s", "v8/buildtools/linux64/clang-format.sha1",
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "v8/build/gyp_v8"],
   },
 ]