[webcrypto] Move the files to a subdirectory (content/renderer/webcrypto).

content/content_renderer.gypi

Index: content/content_renderer.gypi
diff --git a/content/content_renderer.gypi b/content/content_renderer.gypi
index 95542aeb666446aa810f87f2b70684235e56fe68..8e35a72cf1dab987334ee086a9917bd30762bb8e 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -497,10 +497,10 @@
     'renderer/web_ui_extension.h',
     'renderer/web_ui_extension_data.cc',
     'renderer/web_ui_extension_data.h',
-    'renderer/webcrypto_impl.cc',
-    'renderer/webcrypto_impl.h',
-    'renderer/webcrypto_impl_nss.cc',
-    'renderer/webcrypto_impl_openssl.cc',
+    'renderer/webcrypto/webcrypto_impl.cc',
+    'renderer/webcrypto/webcrypto_impl.h',
+    'renderer/webcrypto/webcrypto_impl_nss.cc',
+    'renderer/webcrypto/webcrypto_impl_openssl.cc',
     'renderer/websharedworker_proxy.cc',
     'renderer/websharedworker_proxy.h',
     'renderer/websharedworkerrepository_impl.cc',
@@ -703,14 +703,14 @@
     }],
     ['use_openssl==1', {
       'sources!': [
-        'renderer/webcrypto_impl_nss.cc',
+        'renderer/webcrypto/webcrypto_impl_nss.cc',
       ],
       'dependencies': [
         '../third_party/openssl/openssl.gyp:openssl',
       ],
     }, {
       'sources!': [
-        'renderer/webcrypto_impl_openssl.cc',
+        'renderer/webcrypto/webcrypto_impl_openssl.cc',
       ],
       'conditions': [
         ['os_posix == 1 and OS != "mac" and OS != "ios" and OS != "android"', {