Use new BoringSSL scopers in //crypto

android_webview/BUILD.gn

Index: android_webview/BUILD.gn
diff --git a/android_webview/BUILD.gn b/android_webview/BUILD.gn
index 3ef9827564cf4e2c263efb89885ac196e3fe5695..459c9d5d3dde4f3887365ee25d6fe4e7b9861d0d 100644
--- a/android_webview/BUILD.gn
+++ b/android_webview/BUILD.gn
@@ -655,6 +655,7 @@ source_set("common") {
     "//content",
     "//content/public/app:both",
     "//content/public/browser",
+    "//crypto",

[michaelbai, 2016/09/26 21:33:30]

sorry, don't understand this change, why it is not required before?

[davidben, 2016/09/26 21:42:00]

A number of files in android_webview depend on crypto::ECPrivateKey directly,
which means the targets should directly depend on //crypto. It happened to work
because other targets were pulling it in and our buildsystem doesn't enforce
#includes. BoringSSL is right now still included funny via a system-style
include even though we're not system library (I'm intending to fix this though),
which has the side effect of sometime hitting dependency errors like this one.

     "//gin",
     "//gpu/command_buffer/client:gl_in_process_context",
     "//gpu/command_buffer/client:gles2_c_lib",