[subresource_filter] add //chrome level unit test harness

chrome/browser/subresource_filter/chrome_subresource_filter_client.cc

Index: chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
diff --git a/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc b/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
index 8b564dca2154ed16ba98578d5faa79da45c07af3..91ecb68e27f4c320add3ffeab2408035f0c85665 100644
--- a/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
+++ b/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
@@ -21,7 +21,7 @@
 
 ChromeSubresourceFilterClient::ChromeSubresourceFilterClient(
     content::WebContents* web_contents)
-    : web_contents_(web_contents), shown_for_navigation_(false) {
+    : web_contents_(web_contents), did_show_ui_for_navigation_(false) {
   DCHECK(web_contents);
   // Ensure the content settings manager is initialized.
   SubresourceFilterContentSettingsManagerFactory::EnsureForProfile(
@@ -32,10 +32,10 @@ ChromeSubresourceFilterClient::~ChromeSubresourceFilterClient() {}
 
 void ChromeSubresourceFilterClient::ToggleNotificationVisibility(
     bool visibility) {
-  if (shown_for_navigation_ && visibility)
+  if (did_show_ui_for_navigation_ && visibility)
     return;
 
-  shown_for_navigation_ = visibility;
+  did_show_ui_for_navigation_ = visibility;
   TabSpecificContentSettings* content_settings =
       TabSpecificContentSettings::FromWebContents(web_contents_);