Move more sources from modules.gypi to subdirectories.

third_party/WebKit/Source/modules/crypto/BUILD.gn

Index: third_party/WebKit/Source/modules/crypto/BUILD.gn
diff --git a/third_party/WebKit/Source/modules/crypto/BUILD.gn b/third_party/WebKit/Source/modules/crypto/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..c182558b46dbfa96d6da0b76d83a0c75fcc8ba64
--- /dev/null
+++ b/third_party/WebKit/Source/modules/crypto/BUILD.gn
@@ -0,0 +1,26 @@
+# 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("//third_party/WebKit/Source/modules/modules.gni")
+
+blink_modules_sources("crypto") {
+  sources = [
+    "Crypto.cpp",
+    "Crypto.h",
+    "CryptoHistograms.cpp",
+    "CryptoHistograms.h",
+    "CryptoKey.cpp",
+    "CryptoKey.h",
+    "CryptoResultImpl.cpp",
+    "CryptoResultImpl.h",
+    "DOMWindowCrypto.cpp",
+    "DOMWindowCrypto.h",
+    "NormalizeAlgorithm.cpp",
+    "NormalizeAlgorithm.h",
+    "SubtleCrypto.cpp",
+    "SubtleCrypto.h",
+    "WorkerGlobalScopeCrypto.cpp",
+    "WorkerGlobalScopeCrypto.h",
+  ]
+}