Add a GetFullHashWithApis method to Protocol Manager.

chrome/browser/safe_browsing/protocol_manager.h

Index: chrome/browser/safe_browsing/protocol_manager.h
diff --git a/chrome/browser/safe_browsing/protocol_manager.h b/chrome/browser/safe_browsing/protocol_manager.h
index 1d33c52e311de215bf346fd894c75648289630fb..f8a4a267008e9a3571696a0a7e1ec9156ff3c966 100644
--- a/chrome/browser/safe_browsing/protocol_manager.h
+++ b/chrome/browser/safe_browsing/protocol_manager.h
@@ -83,6 +83,12 @@ class SafeBrowsingProtocolManager : public net::URLFetcherDelegate,
                            bool is_download,
                            bool is_extended_reporting);
 
+  // Retrieve the full hash for a set of prefixes, and invoke the callback
+  // argument when the results are retrieved. The callback may be invoked
+  // synchronously.
+  virtual void GetFullHashWithApis(const std::vector<SBPrefix>& prefixes,
+                                   FullHashCallback callback);
+
   // Forces the start of next update after |interval| time.
   void ForceScheduleNextUpdate(base::TimeDelta interval);
 
@@ -185,6 +191,10 @@ class SafeBrowsingProtocolManager : public net::URLFetcherDelegate,
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest, TestChunkStrings);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest, TestGetHashUrl);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest,
+                           TestGetHashWithApisUrl);
+  FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest,
+                           TestGetHashWithApisRequest);
+  FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest,
                            TestGetHashBackOffTimes);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest, TestNextChunkUrl);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest, TestUpdateUrl);
@@ -220,6 +230,15 @@ class SafeBrowsingProtocolManager : public net::URLFetcherDelegate,
   GURL GetHashUrl(bool is_extended_reporting) const;
   // Generates URL for reporting safe browsing hits for UMA users.
 
+  // Generates GetHashWithApis Pver4 request URL for retrieving full hashes.
+  // |request_base64| is the serialized FindFullHashesRequest protocol buffer
+  // encoded in base 64.
+  GURL GetHashWithApisUrl(const std::string& request_base64) const;
+
+  // Fills a FindFullHashesRequest protocol buffer for an API_ABUSE request.
+  // Returns the serialized and base 64 encoded request as a string.
+  std::string GetHashWithApisRequest(const std::vector<SBPrefix>& prefixes);
+
   // Composes a ChunkUrl based on input string.
   GURL NextChunkUrl(const std::string& input) const;
 
@@ -333,6 +352,7 @@ class SafeBrowsingProtocolManager : public net::URLFetcherDelegate,
   std::deque<ChunkUrl> chunk_request_urls_;
 
   HashRequests hash_requests_;
+  HashRequests hash_api_requests_;
 
   // True if the service has been given an add/sub chunk but it hasn't been
   // added to the database yet.