Merge to XFA: Make standalone PDFium DEPS pull clang-format.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 63878905372177880cfc64ecead10e1934913bdf..3103fff06b7de0fd937328deabde109c9c36a2b0 100644
--- a/DEPS
+++ b/DEPS
@@ -42,4 +42,38 @@ hooks = [
     'pattern': '.',
     'action': ['python', 'build/gyp_pdfium'],
   },
-]
+  # Pull clang-format binaries using checked-in hashes.
+  {
+    'name': 'clang_format_win',
+    'pattern': '.',
+    'action': [ 'download_from_google_storage',
+                '--no_resume',
+                '--platform=win32',
+                '--no_auth',
+                '--bucket', 'chromium-clang-format',
+                '-s', 'buildtools/win/clang-format.exe.sha1',
+    ],
+  },
+  {
+    'name': 'clang_format_mac',
+    'pattern': '.',
+    'action': [ 'download_from_google_storage',
+                '--no_resume',
+                '--platform=darwin',
+                '--no_auth',
+                '--bucket', 'chromium-clang-format',
+                '-s', 'buildtools/mac/clang-format.sha1',
+    ],
+  },
+  {
+    'name': 'clang_format_linux',
+    'pattern': '.',
+    'action': [ 'download_from_google_storage',
+                '--no_resume',
+                '--platform=linux*',
+                '--no_auth',
+                '--bucket', 'chromium-clang-format',
+                '-s', 'buildtools/linux64/clang-format.sha1',
+    ],
+  },
+]