Add missing DEPS files; enable checkdeps.

This CL adds the needed DEPS files to make checkdeps pass correctly. The
checkdeps PRESUBMIT method has been copied from Chromium and is enabled on
CL upload.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1801923002 .

6 files changed, 73 insertions, 0 deletions

diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 71d6b6f7b3..819c4e64fd 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -33,9 +33,66 @@ LINT_FILTERS = [
   '-whitespace/indent',
 ]
 
+
+def _CheckUnwantedDependencies(input_api, output_api):
+  """Runs checkdeps on #include statements added in this
+  change. Breaking - rules is an error, breaking ! rules is a
+  warning.
+  """
+  import sys
+  # We need to wait until we have an input_api object and use this
+  # roundabout construct to import checkdeps because this file is
+  # eval-ed and thus doesn't have __file__.
+  original_sys_path = sys.path
+  try:
+    sys.path = sys.path + [input_api.os_path.join(
+        input_api.PresubmitLocalPath(), 'buildtools', 'checkdeps')]
+    import checkdeps
+    from cpp_checker import CppChecker
+    from rules import Rule
+  finally:
+    # Restore sys.path to what it was before.
+    sys.path = original_sys_path
+
+  added_includes = []
+  for f in input_api.AffectedFiles():
+    if not CppChecker.IsCppFile(f.LocalPath()):
+      continue
+
+    changed_lines = [line for line_num, line in f.ChangedContents()]
+    added_includes.append([f.LocalPath(), changed_lines])
+
+  deps_checker = checkdeps.DepsChecker(input_api.PresubmitLocalPath())
+
+  error_descriptions = []
+  warning_descriptions = []
+  for path, rule_type, rule_description in deps_checker.CheckAddedCppIncludes(
+      added_includes):
+    description_with_path = '%s\n    %s' % (path, rule_description)
+    if rule_type == Rule.DISALLOW:
+      error_descriptions.append(description_with_path)
+    else:
+      warning_descriptions.append(description_with_path)
+
+  results = []
+  if error_descriptions:
+    results.append(output_api.PresubmitError(
+        'You added one or more #includes that violate checkdeps rules.',
+        error_descriptions))
+  if warning_descriptions:
+    results.append(output_api.PresubmitPromptOrNotify(
+        'You added one or more #includes of files that are temporarily\n'
+        'allowed but being removed. Can you avoid introducing the\n'
+        '#include? See relevant DEPS file(s) for details and contacts.',
+        warning_descriptions))
+  return results
+
+
 def CheckChangeOnUpload(input_api, output_api):
   results = []
+  results += _CheckUnwantedDependencies(input_api, output_api)
   results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api)
   results += input_api.canned_checks.CheckChangeLintsClean(
       input_api, output_api, None, LINT_FILTERS)
+
   return results
diff --git a/core/fxge/freetype/DEPS b/core/fxge/freetype/DEPS
new file mode 100644
index 0000000000..26546f7920
--- /dev/null
+++ b/core/fxge/freetype/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  '+third_party/freetype/src'
+]
diff --git a/fpdfsdk/javascript/DEPS b/fpdfsdk/javascript/DEPS
new file mode 100644
index 0000000000..4b3f3dd3d0
--- /dev/null
+++ b/fpdfsdk/javascript/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  '+xfa/fxjse'
+]
diff --git a/testing/DEPS b/testing/DEPS
index 949e92821f..86d3090407 100644
--- a/testing/DEPS
+++ b/testing/DEPS
@@ -3,4 +3,6 @@ include_rules = [
   '+fpdfsdk/include',
   '+public',
   '+v8',
+  '+xfa/fxfa/parser',
+  '+xfa/fxfa/fm2js',
 ]
diff --git a/xfa/fgas/font/DEPS b/xfa/fgas/font/DEPS
new file mode 100644
index 0000000000..2930dd036a
--- /dev/null
+++ b/xfa/fgas/font/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  '+third_party/freetype/include',
+]
diff --git a/xfa/fxjse/DEPS b/xfa/fxjse/DEPS
new file mode 100644
index 0000000000..5cec1f887f
--- /dev/null
+++ b/xfa/fxjse/DEPS
@@ -0,0 +1,5 @@
+include_rules = [
+  # TODO(dsinclair): Layering violation. XFA can't include FPDFSDK.
+  '+fpdfsdk/include/jsapi',
+  '+v8/include',
+]