Make third_party/WebKit/Source/web/tests/DEPS a bit more strict.

BUG=none

Review-Url: https://codereview.chromium.org/2349653003
Cr-Commit-Position: refs/heads/master@{#419414}

third_party/WebKit/Source/web/tests/DEPS

 include_rules = [
-    "+web/tests",
-    # For RunAllTests.cpp only.
-    "+base/bind.h",
-    "+base/bind_helpers.h",
-    "+base/run_loop.h",
-    "+base/test/launcher/unit_test_launcher.h",
-    "+base/test/test_suite.h",
-    "+base/threading/thread_task_runner_handle.h",
-    "+content/test/blink_test_environment.h",
-    "+mojo/edk/embedder/embedder.h",
     "+mojo/public/cpp/bindings",
+    "+web/tests",
 ]
+
+specific_include_rules = {
+    'RunAllTests\.cpp': [
+        "+base/bind.h",
+        "+base/bind_helpers.h",
+        "+base/run_loop.h",
+        "+base/test/launcher/unit_test_launcher.h",
+        "+base/test/test_suite.h",
+        "+base/threading/thread_task_runner_handle.h",
+        "+content/test/blink_test_environment.h",
+        "+mojo/edk/embedder/embedder.h",
+    ],
+}