DevTools: remote debugging should work in the IPv6-only environment.

chrome/browser/browser_process.h

Index: chrome/browser/browser_process.h
diff --git a/chrome/browser/browser_process.h b/chrome/browser/browser_process.h
index cd22bf6e628d81f614f961035a6d3b10a209232e..540ba2a4de4aace6afd5160c2185b67ee104c328 100644
--- a/chrome/browser/browser_process.h
+++ b/chrome/browser/browser_process.h
@@ -181,6 +181,9 @@ class BrowserProcess {
 
   virtual GpuModeManager* gpu_mode_manager() = 0;
 
+  // Create and bind remote debugging server to a given |ip| and |port|.
+  // Passing empty |ip| results in binding to localhost:
+  // 127.0.0.1 or ::1 depending on the environment.
   virtual void CreateDevToolsHttpProtocolHandler(const std::string& ip,
                                                  uint16_t port) = 0;
   virtual void CreateDevToolsAutoOpener() = 0;