[chromedriver] Implement connecting to devtools and loading a page.

chrome/test/chromedriver/status.cc

Index: chrome/test/chromedriver/status.cc
diff --git a/chrome/test/chromedriver/status.cc b/chrome/test/chromedriver/status.cc
index bd5027952730113170b963a3c136c717b6770c5a..89dc7e9184885f08555e997268f0885ea21ee557 100644
--- a/chrome/test/chromedriver/status.cc
+++ b/chrome/test/chromedriver/status.cc
@@ -19,6 +19,8 @@ const char* DefaultMessageForStatusCode(StatusCode code) {
       return "session not created exception";
     case kNoSuchSession:
       return "no such session";
+    case kChromeNotReachable:
+      return "chrome not reachable";
     default:
       return "<unknown>";
   }
@@ -34,6 +36,21 @@ Status::Status(StatusCode code, const std::string& details)
       msg_(DefaultMessageForStatusCode(code) + std::string(": ") + details) {
 }
 
+Status::Status(StatusCode code, const Status& cause)
+    : code_(code),
+      msg_(DefaultMessageForStatusCode(code) + std::string("\nfrom ") +
+           cause.message()) {}
+
+Status::Status(StatusCode code,
+               const std::string& details,
+               const Status& cause)
+    : code_(code),
+      msg_(DefaultMessageForStatusCode(code) + std::string(": ") + details +
+           "\nfrom " + cause.message()) {
+}
+
+Status::~Status() {}
+
 bool Status::IsOk() const {
   return code_ == kOk;
 }