Add scoped_oauth_token field in RTLookupRequest.

Bug: 1041912
Change-Id: I968bbd977896ba06020e190bd45d7e68bc0113f8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2018709
Commit-Queue: Xinghui Lu <xinghuilu@chromium.org>
Reviewed-by: Varun Khaneja <vakh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736548}

components/safe_browsing/content/web_ui/safe_browsing_ui.cc

@@ -1152,6 +1152,8 @@ std::string SerializeRTLookupPing(const RTLookupRequest& request) {
   request_dict.SetKey("url", base::Value(request.url()));
   request_dict.SetKey("population",
                       SerializeChromeUserPopulation(request.population()));
+  request_dict.SetKey("scoped_oauth_token",
+                      base::Value(request.scoped_oauth_token()));
 
   std::string lookupType;
   switch (request.lookup_type()) {

components/safe_browsing/core/features.cc

@@ -134,6 +134,7 @@ constexpr struct {
     {&kPasswordProtectionForSignedInUsers, true},
     {&kPromptAppForDeepScanning, true},
     {&kRealTimeUrlLookupEnabled, true},
+    {&kRealTimeUrlLookupEnabledWithToken, true},
     {&kSendOnFocusPing, true},
     {&kSendPasswordReusePing, true},
     {&kSendSampledPingsForAllowlistDomains, false},

components/safe_browsing/core/proto/realtimeapi.proto

@@ -29,6 +29,9 @@ message RTLookupRequest {
   // Mechanism to have different detection methods for different user
   // population later.
   optional ChromeUserPopulation population = 3;
+
+  // Scoped OAuth token for throttling and validation.
+  optional string scoped_oauth_token = 4;
 }
 
 message RTLookupResponse {