Add the ability for DevTools to wrap network transactions.

content/browser/devtools/render_view_devtools_agent_host.cc

Index: content/browser/devtools/render_view_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_view_devtools_agent_host.cc b/content/browser/devtools/render_view_devtools_agent_host.cc
index 0628f7789142b6dfbca09261fa1d6473ea37a903..9f3294cd30965070f6db25df452f8556142f3936 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.cc
+++ b/content/browser/devtools/render_view_devtools_agent_host.cc
@@ -199,6 +199,8 @@ void RenderViewDevToolsAgentHost::OnClientAttached() {
   // extensions::ProcessManager no longer relies on this notification.
   DevToolsManagerImpl::GetInstance()->NotifyObservers(this, true);
 
+  UpdateBlockedDomains(blocked_domains_);
+
 #if defined(OS_ANDROID)
   power_save_blocker_.reset(
       static_cast<PowerSaveBlockerImpl*>(
@@ -216,6 +218,10 @@ void RenderViewDevToolsAgentHost::OnClientDetached() {
 #if defined(OS_ANDROID)
   power_save_blocker_.reset();
 #endif
+
+  const std::vector<std::string> empty_list;
+  UpdateBlockedDomains(empty_list);
+
   overrides_handler_->OnClientDetached();
   ClientDetachedFromRenderer();
 }
@@ -378,6 +384,8 @@ bool RenderViewDevToolsAgentHost::DispatchIPCMessage(
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_ClearBrowserCache, OnClearBrowserCache)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_ClearBrowserCookies,
                         OnClearBrowserCookies)
+    IPC_MESSAGE_HANDLER(DevToolsHostMsg_SetBlockedDomains,
+                        OnSetBlockedDomains)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 handled = false; OnSwapCompositorFrame(msg))
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -425,4 +433,22 @@ void RenderViewDevToolsAgentHost::OnClearBrowserCookies() {
     GetContentClient()->browser()->ClearCookies(render_view_host_);
 }
 
+void RenderViewDevToolsAgentHost::UpdateBlockedDomains(
+    const std::vector<std::string>& blocked_domains) {
+  if (render_view_host_) {
+    GetContentClient()->browser()->SetBlockedDomains(
+        render_view_host_, GetId(), blocked_domains);
+  }
+}
+
+void RenderViewDevToolsAgentHost::OnSetBlockedDomains(
+  const std::vector<std::string>& blocked_domains) {
+  std::vector<std::string> items;
+  blocked_domains_.clear();
+  for (size_t i = 0; i < blocked_domains.size(); ++i)
+    items.push_back(blocked_domains[i]);
+  blocked_domains_.swap(items);
+  UpdateBlockedDomains(blocked_domains_);
+}
+
 }  // namespace content