Remove the CryptoAPI implementation of SHA-1

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index f787740aff43acc92d9e189a1aebefacb2dc00d9..45ceaf7fb456394d58269f00d0274665c292b040 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -676,9 +676,8 @@ component("base") {
     "sequenced_task_runner.cc",
     "sequenced_task_runner.h",
     "sequenced_task_runner_helpers.h",
+    "sha1.cc",
     "sha1.h",
-    "sha1_portable.cc",
-    "sha1_win.cc",
     "single_thread_task_runner.h",
     "stl_util.h",
     "strings/latin1_string_conversions.cc",
@@ -1178,10 +1177,6 @@ component("base") {
     sources -= [
       "message_loop/message_pump_libevent.cc",
       "strings/string16.cc",
-
-      # Not using sha1_win.cc because it may have caused a
-      # regression to page cycler moz.
-      "sha1_win.cc",
     ]
 
     deps += [