Add clang-format binaries and scripts for all platforms

DEPS

 # This file is automatically processed to create .DEPS.git which is the file
 # that gclient uses under git.
 #
 # See http://code.google.com/p/chromium/wiki/UsingGit
 #
 # To test manually, run:
 #   python tools/deps2git/deps2git.py -o .DEPS.git
 #   gclient runhooks
 # DO NOT CHECK IN CHANGES TO .DEPS.git. It will be automatically updated by
 # a bot when you modify this one.
@@ skipping 685 matching lines @@
     "name": "gn_linux32",
     "pattern": "src/tools/gn/bin/linux/gn32.sha1",
     "action": [ "download_from_google_storage",
                 "--no_resume",
                 "--platform=linux*",
                 "--no_auth",
                 "--bucket", "chromium-gn",
                 "-s", "src/tools/gn/bin/linux/gn32.sha1",
     ],
   },
+  # Pull clang-format binaries using checked-in hashes.
+  {
+    "name": "clang_format_win",
+    "pattern": "src/third_party/clang_format/bin/win/clang-format.exe.sha1",
+    "action": [ "download_from_google_storage",
+                "--no_resume",
+                "--platform=win32",
+                "--no_auth",
+                "--bucket", "chromium-clang-format",
+                "-s", "src/third_party/clang_format/bin/win/clang-format.exe.sha1",
+    ],
+  },
+  {
+    "name": "clang_format_mac",
+    "pattern": "src/third_party/clang_format/bin/mac/clang-format.sha1",
+    "action": [ "download_from_google_storage",
+                "--no_resume",
+                "--platform=darwin",
+                "--no_auth",
+                "--bucket", "chromium-clang-format",
+                "-s", "src/third_party/clang_format/bin/mac/clang-format.sha1",
+    ],
+  },
+  {
+    "name": "clang_format_linux",
+    "pattern": "src/third_party/clang_format/bin/linux/clang-format.sha1",
+    "action": [ "download_from_google_storage",
+                "--no_resume",
+                "--platform=linux*",
+                "--no_auth",
+                "--bucket", "chromium-clang-format",
+                "-s", "src/third_party/clang_format/bin/linux/clang-format.sha1",
+    ],
+  },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "name": "gyp",
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "name": "landmines",
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]