Remove about:srcdoc url conversion.

content/browser/site_instance_impl_unittest.cc

Index: content/browser/site_instance_impl_unittest.cc
diff --git a/content/browser/site_instance_impl_unittest.cc b/content/browser/site_instance_impl_unittest.cc
index 2523cfc34799977f20dfeb6098aac3477236cd73..bbc97b9bb9083e59036d60642e74bebb4b2d35cc 100644
--- a/content/browser/site_instance_impl_unittest.cc
+++ b/content/browser/site_instance_impl_unittest.cc
@@ -393,6 +393,7 @@ TEST_F(SiteInstanceTest, IsSameWebSite) {
   GURL url_foo_port = GURL("http://foo:8080/a.html");
   GURL url_javascript = GURL("javascript:alert(1);");
   GURL url_blank = GURL(url::kAboutBlankURL);
+  GURL url_srcdoc = GURL(content::kAboutSrcDocURL);
 
   // Same scheme and port -> same site.
   EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo, url_foo2));
@@ -411,15 +412,22 @@ TEST_F(SiteInstanceTest, IsSameWebSite) {
   EXPECT_TRUE(
       SiteInstance::IsSameWebSite(nullptr, url_javascript, url_foo_port));
 
-  // Navigating to a blank page is considered the same site.
+  // Navigating to a blank page or about:srcdoc is considered the same site.
   EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo, url_blank));
   EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo_https, url_blank));
   EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo_port, url_blank));
+  EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo, url_srcdoc));
+  EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo_https, url_srcdoc));
+  EXPECT_TRUE(SiteInstance::IsSameWebSite(nullptr, url_foo_port, url_srcdoc));
 
-  // Navigating from a blank site is not considered to be the same site.
+  // Navigating from a blank site or from about:srcdoc is not considered to be
+  // the same site.
   EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_blank, url_foo));
   EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_blank, url_foo_https));
   EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_blank, url_foo_port));
+  EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_srcdoc, url_foo));
+  EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_srcdoc, url_foo_https));
+  EXPECT_FALSE(SiteInstance::IsSameWebSite(nullptr, url_srcdoc, url_foo_port));
 
   DrainMessageLoop();
 }