PlzNavigate: Support ResourceTiming API

third_party/WebKit/Source/platform/network/ResourceRequest.cpp

Index: third_party/WebKit/Source/platform/network/ResourceRequest.cpp
diff --git a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
index 3e63db337cff78fbb3111d687e3e9e252b3b70dc..1b095846962b31a8dd17d20f9cf50cf14451ffe3 100644
--- a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
+++ b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp
@@ -29,6 +29,7 @@
 #include "platform/HTTPNames.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/network/NetworkUtils.h"
+#include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/WebAddressSpace.h"
 #include "public/platform/WebCachePolicy.h"
@@ -93,6 +94,9 @@ ResourceRequest::ResourceRequest(CrossThreadResourceRequestData* data)
     m_isExternalRequest = data->m_isExternalRequest;
     m_inputPerfMetricReportPolicy = data->m_inputPerfMetricReportPolicy;
     m_redirectStatus = data->m_redirectStatus;
+    for (auto& response : data->m_responses)
+        data->m_responses.emplace_back(response.get());
+    m_navigationStart = data->m_navigationStart;
 }
 
 ResourceRequest::ResourceRequest(const ResourceRequest&) = default;
@@ -139,6 +143,9 @@ std::unique_ptr<CrossThreadResourceRequestData> ResourceRequest::copyData() cons
     data->m_isExternalRequest = m_isExternalRequest;
     data->m_inputPerfMetricReportPolicy = m_inputPerfMetricReportPolicy;
     data->m_redirectStatus = m_redirectStatus;
+    for (auto& response : m_responses)
+        data->m_responses.push_back(response.toResourceResponse().copyData());
+    data->m_navigationStart = m_navigationStart;
     return data;
 }
 
@@ -162,6 +169,11 @@ void ResourceRequest::setURL(const KURL& url)
     m_url = url;
 }
 
+const KURL& ResourceRequest::initialUrl() const
+{
+    return m_responses.empty() ? url() : m_responses[0].toResourceResponse().url();
+}
+
 void ResourceRequest::removeCredentials()
 {
     if (m_url.user().isEmpty() && m_url.pass().isEmpty())
@@ -380,6 +392,16 @@ void ResourceRequest::setExternalRequestStateFromRequestorAddressSpace(WebAddres
     m_isExternalRequest = requestorSpace > targetSpace;
 }
 
+void ResourceRequest::appendPreviousResponse(const WebURLResponse& response)
+{
+    m_responses.push_back(response);
+}
+
+void ResourceRequest::setPreviousNavigationStart(double navigationStart)
+{
+    m_navigationStart = navigationStart;
+}
+
 bool ResourceRequest::isConditional() const
 {
     return (m_httpHeaderFields.contains(HTTPNames::If_Match)