In chromedriver, add /log url

chrome/test/automation/automation_json_requests.h

Index: chrome/test/automation/automation_json_requests.h
diff --git a/chrome/test/automation/automation_json_requests.h b/chrome/test/automation/automation_json_requests.h
index afa1937686908f9721032cc9f9fd30e939698a6a..e4a35c8e2644a7035a7bf508d15f803d5ff4c859 100644
--- a/chrome/test/automation/automation_json_requests.h
+++ b/chrome/test/automation/automation_json_requests.h
@@ -44,6 +44,14 @@ bool SendAutomationJSONRequest(AutomationMessageSender* sender,
                                std::string* reply,
                                bool* success) WARN_UNUSED_RESULT;
 
+// Same as above, but uses the given |AutomationMessageSender|'s default timeout
+// value.
+bool SendAutomationJSONRequestWithDefaultTimeout(
+    AutomationMessageSender* sender,
+    const std::string& request,
+    std::string* reply,
+    bool* success);
+
 // Requests the current browser and tab indices for the given tab ID.
 // Returns true on success.
 bool SendGetIndicesFromTabIdJSONRequest(