Move Skia recipes from build repo

infra/bots/recipe_modules/skia/pdfium_flavor.py

Index: infra/bots/recipe_modules/skia/pdfium_flavor.py
diff --git a/infra/bots/recipe_modules/skia/pdfium_flavor.py b/infra/bots/recipe_modules/skia/pdfium_flavor.py
new file mode 100644
index 0000000000000000000000000000000000000000..782daf0487a26d159b1f789331e8f4f486d83179
--- /dev/null
+++ b/infra/bots/recipe_modules/skia/pdfium_flavor.py
@@ -0,0 +1,64 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import re
+
+import default_flavor
+
+
+"""PDFium flavor utils, used for building PDFium with Skia."""
+
+
+class PDFiumFlavorUtils(default_flavor.DefaultFlavorUtils):
+
+  def compile(self, target):
+    """Build PDFium with Skia."""
+    pdfium_dir = self._skia_api.checkout_root.join('pdfium')
+
+    # Runhook to generate the gn binary in buildtools.
+    self._skia_api.run(
+        self._skia_api.m.step,
+        'runhook',
+        cmd=['gclient', 'runhook', 'gn_linux64'],
+        cwd=pdfium_dir)
+
+    # Setup gn args.
+    gn_args = ['pdf_use_skia=true', 'pdf_is_standalone=true',
+               'clang_use_chrome_plugins=false']
+    self._skia_api.run(
+        self._skia_api.m.step,
+        'gn_gen',
+        cmd=['gn', 'gen', 'out/skia', '--args=%s' % ' '.join(gn_args)],
+        cwd=pdfium_dir,
+        env={'CHROMIUM_BUILDTOOLS_PATH': str(pdfium_dir.join('buildtools'))})
+
+    # Modify DEPS file to contain the current Skia revision.
+    skia_revision = self._skia_api.got_revision
+    deps_file = pdfium_dir.join('DEPS')
+    test_data = "'skia_revision': 'abc'"
+
+    original_contents = self._skia_api.m.file.read(
+        'read PDFium DEPS', deps_file, test_data=test_data, infra_step=True)
+
+    deps_skia_regexp = re.compile(
+        r'(?<=["\']skia_revision["\']: ["\'])([a-fA-F0-9]+)(?=["\'])',
+        re.MULTILINE)
+    patched_contents = re.sub(deps_skia_regexp, str(skia_revision),
+                              original_contents)
+    self._skia_api.m.file.write('write PDFium DEPs', deps_file,
+                                patched_contents, infra_step=True)
+
+    # gclient sync after updating DEPS.
+    self._skia_api.run(
+        self._skia_api.m.step,
+        'sync_pdfium',
+        cmd=['gclient', 'sync'],
+        cwd=pdfium_dir)
+
+    # Build PDFium.
+    self._skia_api.run(
+        self._skia_api.m.step,
+        'build_pdfium',
+        cmd=['ninja', '-C', 'out/skia', '-j100'],
+        cwd=pdfium_dir)