PlzNavigate: properly execute BeforeUnload on renderer initiated navigations

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

Index: third_party/WebKit/Source/platform/network/ResourceRequest.h
diff --git a/third_party/WebKit/Source/platform/network/ResourceRequest.h b/third_party/WebKit/Source/platform/network/ResourceRequest.h
index 5ceefdf330521fd1ee4a999af409dbbdb08e3031..ecb8f05b3e7b14f0dee39e3e2313d5470a132a3e 100644
--- a/third_party/WebKit/Source/platform/network/ResourceRequest.h
+++ b/third_party/WebKit/Source/platform/network/ResourceRequest.h
@@ -231,6 +231,9 @@ public:
     bool checkForBrowserSideNavigation() const { return m_checkForBrowserSideNavigation; }
     void setCheckForBrowserSideNavigation(bool check) { m_checkForBrowserSideNavigation = check; }
 
+    bool bypassBeforeUnload() const { return m_bypassBeforeUnload; }
+    void setBypassBeforeUnload(bool bypass) { m_bypassBeforeUnload = bypass; }
+
     double uiStartTime() const { return m_uiStartTime; }
     void setUIStartTime(double uiStartTime) { m_uiStartTime = uiStartTime; }
 
@@ -281,6 +284,7 @@ private:
     ReferrerPolicy m_referrerPolicy;
     bool m_didSetHTTPReferrer;
     bool m_checkForBrowserSideNavigation;
+    bool m_bypassBeforeUnload;
     double m_uiStartTime;
     bool m_isExternalRequest;
     InputToLoadPerfMetricReportPolicy m_inputPerfMetricReportPolicy;
@@ -328,6 +332,7 @@ public:
     ReferrerPolicy m_referrerPolicy;
     bool m_didSetHTTPReferrer;
     bool m_checkForBrowserSideNavigation;
+    bool m_bypassBeforeUnload;
     double m_uiStartTime;
     bool m_isExternalRequest;
     InputToLoadPerfMetricReportPolicy m_inputPerfMetricReportPolicy;