Use a monotonic clock (TimeTicks) to report network times to WebCore.

chrome/renderer/security_filter_peer.cc

Index: chrome/renderer/security_filter_peer.cc
diff --git a/chrome/renderer/security_filter_peer.cc b/chrome/renderer/security_filter_peer.cc
index 7d986843e77f6902304f5e1fa16fa449482d3669..aaadaee2c438cec219f792380debcf91eb4ac6b9 100644
--- a/chrome/renderer/security_filter_peer.cc
+++ b/chrome/renderer/security_filter_peer.cc
@@ -70,6 +70,8 @@ void SecurityFilterPeer::OnUploadProgress(uint64 position, uint64 size) {
 bool SecurityFilterPeer::OnReceivedRedirect(
     const GURL& new_url,
     const webkit_glue::ResourceResponseInfo& info,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time,
     bool* has_new_first_party_for_cookies,
     GURL* new_first_party_for_cookies) {
   NOTREACHED();
@@ -77,7 +79,9 @@ bool SecurityFilterPeer::OnReceivedRedirect(
 }
 
 void SecurityFilterPeer::OnReceivedResponse(
-    const webkit_glue::ResourceResponseInfo& info) {
+    const webkit_glue::ResourceResponseInfo& info,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time) {
   NOTREACHED();
 }
 
@@ -87,9 +91,10 @@ void SecurityFilterPeer::OnReceivedData(const char* data,
   NOTREACHED();
 }
 
-void SecurityFilterPeer::OnCompletedRequest(const net::URLRequestStatus& status,
-                                            const std::string& security_info,
-                                            const base::Time& completion_time) {
+void SecurityFilterPeer::OnCompletedRequest(
+    const net::URLRequestStatus& status,
+    const std::string& security_info,
+    const base::TimeTicks& completion_time) {
   NOTREACHED();
 }
 
@@ -137,8 +142,12 @@ BufferedPeer::~BufferedPeer() {
 }
 
 void BufferedPeer::OnReceivedResponse(
-    const webkit_glue::ResourceResponseInfo& info) {
+    const webkit_glue::ResourceResponseInfo& info,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time) {
   ProcessResponseInfo(info, &response_info_, mime_type_);
+  request_start_time_ = request_start_time;
+  response_start_time_ = response_start_time;
 }
 
 void BufferedPeer::OnReceivedData(const char* data,
@@ -147,23 +156,28 @@ void BufferedPeer::OnReceivedData(const char* data,
   data_.append(data, data_length);
 }
 
-void BufferedPeer::OnCompletedRequest(const net::URLRequestStatus& status,
-                                      const std::string& security_info,
-                                      const base::Time& completion_time) {
+void BufferedPeer::OnCompletedRequest(
+    const net::URLRequestStatus& status,
+    const std::string& security_info,
+    const base::TimeTicks& completion_time) {
   // Make sure we delete ourselves at the end of this call.
   scoped_ptr<BufferedPeer> this_deleter(this);
 
   // Give sub-classes a chance at altering the data.
   if (status.status() != net::URLRequestStatus::SUCCESS || !DataReady()) {
     // Pretend we failed to load the resource.
-    original_peer_->OnReceivedResponse(response_info_);
+    original_peer_->OnReceivedResponse(response_info_,
+                                       request_start_time_,
+                                       response_start_time_);
     net::URLRequestStatus status(net::URLRequestStatus::CANCELED,
                                  net::ERR_ABORTED);
     original_peer_->OnCompletedRequest(status, security_info, completion_time);
     return;
   }
 
-  original_peer_->OnReceivedResponse(response_info_);
+  original_peer_->OnReceivedResponse(response_info_,
+                                     request_start_time_,
+                                     response_start_time_);
   if (!data_.empty())
     original_peer_->OnReceivedData(data_.data(),
                                    static_cast<int>(data_.size()),
@@ -188,7 +202,11 @@ ReplaceContentPeer::~ReplaceContentPeer() {
 }
 
 void ReplaceContentPeer::OnReceivedResponse(
-    const webkit_glue::ResourceResponseInfo& info) {
+    const webkit_glue::ResourceResponseInfo& info,
+    const base::TimeTicks& request_start_time,
+    const base::TimeTicks& response_start_time) {
+  request_start_time_ = request_start_time;
+  response_start_time_ = response_start_time;
   // Ignore this, we'll serve some alternate content in OnCompletedRequest.
 }
 
@@ -201,12 +219,14 @@ void ReplaceContentPeer::OnReceivedData(const char* data,
 void ReplaceContentPeer::OnCompletedRequest(
     const net::URLRequestStatus& status,
     const std::string& security_info,
-    const base::Time& completion_time) {
+    const base::TimeTicks& completion_time) {
   webkit_glue::ResourceResponseInfo info;
   ProcessResponseInfo(info, &info, mime_type_);
   info.security_info = security_info;
   info.content_length = static_cast<int>(data_.size());
-  original_peer_->OnReceivedResponse(info);
+  original_peer_->OnReceivedResponse(info,
+                                     request_start_time_,
+                                     response_start_time_);
   if (!data_.empty())
     original_peer_->OnReceivedData(data_.data(),
                                    static_cast<int>(data_.size()),