Certificate Transparency: Add STH Fetching capability.

components/certificate_transparency.gypi

Index: components/certificate_transparency.gypi
diff --git a/components/toolbar.gypi b/components/certificate_transparency.gypi
similarity index 56%
copy from components/toolbar.gypi
copy to components/certificate_transparency.gypi
index 77dc03909b459acaa06f46cf338bb82c19ab881f..3b69f72219e9ce54473f3f94048c2a7df049bacb 100644
--- a/components/toolbar.gypi
+++ b/components/certificate_transparency.gypi
@@ -5,21 +5,22 @@
 {
   'targets': [
     {
-      # GN version: //components/toolbar
-      'target_name': 'toolbar',
+      # GN version: //components/certificate_transparency
+      'target_name': 'certificate_transparency',
       'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
       'dependencies': [
         '../base/base.gyp:base',
+        '../components/components.gyp:safe_json',
+        '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
       ],
-      'include_dirs': [
-        '..',
-      ],
       'sources': [
-        # Note: sources list duplicated in GN build.
-        'toolbar/toolbar_model.cc',
-        'toolbar/toolbar_model.h',
+        'certificate_transparency/log_proof_fetcher.h',
+        'certificate_transparency/log_proof_fetcher.cc',
       ],
-    },
+    }
   ],
 }