Flag myIpAddress requests for chromeos

This is a follow-up to https://codereview.chromium.org/238433003

We need to differentiate between myIpAddress requests and other
localhost requests so that local web servers and tests work correctly.

BUG=387109

Review URL: https://codereview.chromium.org/355953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@280230 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 17 insertions, 3 deletions

diff --git a/chromeos/network/host_resolver_impl_chromeos.cc b/chromeos/network/host_resolver_impl_chromeos.cc
index ad946e5..ebeb27aa 100644
--- a/chromeos/network/host_resolver_impl_chromeos.cc
+++ b/chromeos/network/host_resolver_impl_chromeos.cc
@@ -162,7 +162,7 @@ bool HostResolverImplChromeOS::ResolveLocalIPAddress(
     const RequestInfo& info,
     net::AddressList* addresses) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  if (info.hostname() != net::GetHostName() || ipv4_address_.empty())
+  if (!info.is_my_ip_address() || ipv4_address_.empty())
     return false;
 
   // Use IPConfig data for localhost address lookup.
diff --git a/chromeos/network/host_resolver_impl_chromeos_unittest.cc b/chromeos/network/host_resolver_impl_chromeos_unittest.cc
index 535eec9..e27175ed 100644
--- a/chromeos/network/host_resolver_impl_chromeos_unittest.cc
+++ b/chromeos/network/host_resolver_impl_chromeos_unittest.cc
@@ -156,6 +156,7 @@ TEST_F(HostResolverImplChromeOSTest, Resolve) {
   net::HostResolver::RequestInfo info(
       net::HostPortPair(net::GetHostName(), 80));
   info.set_address_family(net::ADDRESS_FAMILY_IPV4);
+  info.set_is_my_ip_address(true);
   EXPECT_EQ(net::OK, CallResolve(info));
   ASSERT_EQ(1u, addresses_.size());
   std::string expected = base::StringPrintf("%s:%d", kTestIPv4Address, 0);
diff --git a/net/dns/host_resolver.cc b/net/dns/host_resolver.cc
index 147a5a6e..3b6ea04 100644
--- a/net/dns/host_resolver.cc
+++ b/net/dns/host_resolver.cc
@@ -94,7 +94,8 @@ HostResolver::RequestInfo::RequestInfo(const HostPortPair& host_port_pair)
       address_family_(ADDRESS_FAMILY_UNSPECIFIED),
       host_resolver_flags_(0),
       allow_cached_response_(true),
-      is_speculative_(false) {}
+      is_speculative_(false),
+      is_my_ip_address_(false) {}
 
 HostResolver::~HostResolver() {
 }
diff --git a/net/dns/host_resolver.h b/net/dns/host_resolver.h
index 5216329..5b3b3c7 100644
--- a/net/dns/host_resolver.h
+++ b/net/dns/host_resolver.h
@@ -88,6 +88,9 @@ class NET_EXPORT HostResolver {
     bool is_speculative() const { return is_speculative_; }
     void set_is_speculative(bool b) { is_speculative_ = b; }
 
+    bool is_my_ip_address() const { return is_my_ip_address_; }
+    void set_is_my_ip_address(bool b) { is_my_ip_address_ = b; }
+
    private:
     // The hostname to resolve, and the port to use in resulting sockaddrs.
     HostPortPair host_port_pair_;
@@ -103,6 +106,10 @@ class NET_EXPORT HostResolver {
 
     // Whether this request was started by the DNS prefetcher.
     bool is_speculative_;
+
+    // Indicates a request for myIpAddress (to differentiate from other requests
+    // for localhost, currently used by Chrome OS).
+    bool is_my_ip_address_;
   };
 
   // Opaque type used to cancel a request.
diff --git a/net/proxy/proxy_resolver_v8_tracing.cc b/net/proxy/proxy_resolver_v8_tracing.cc
index f772dc1..9be256a4 100644
--- a/net/proxy/proxy_resolver_v8_tracing.cc
+++ b/net/proxy/proxy_resolver_v8_tracing.cc
@@ -973,7 +973,12 @@ HostResolver::RequestInfo ProxyResolverV8Tracing::Job::MakeDnsRequestInfo(
   }
 
   HostResolver::RequestInfo info(host_port);
-
+  // Flag myIpAddress requests.
+  if (op == MY_IP_ADDRESS || op == MY_IP_ADDRESS_EX) {
+    // TODO: Provide a RequestInfo construction mechanism that does not
+    // require a hostname and sets is_my_ip_address to true instead of this.
+    info.set_is_my_ip_address(true);
+  }
   // The non-ex flavors are limited to IPv4 results.
   if (op == MY_IP_ADDRESS || op == DNS_RESOLVE) {
     info.set_address_family(ADDRESS_FAMILY_IPV4);