[chromedriver] Remove Logger and just use base LOG.

chrome/test/chromedriver/server/http_handler.h

Index: chrome/test/chromedriver/server/http_handler.h
diff --git a/chrome/test/chromedriver/server/http_handler.h b/chrome/test/chromedriver/server/http_handler.h
index 13298311dddb5aef64e66668c7d9f1cb1f2fab99..8bd600c015ac1ad143a2af7e1a7717d677685a43 100644
--- a/chrome/test/chromedriver/server/http_handler.h
+++ b/chrome/test/chromedriver/server/http_handler.h
@@ -35,7 +35,6 @@ class HttpServerResponseInfo;
 
 class Adb;
 class DeviceManager;
-class Log;
 class URLRequestContextGetter;
 
 enum HttpMethod {
@@ -60,10 +59,9 @@ typedef base::Callback<void(scoped_ptr<net::HttpServerResponseInfo>)>
 
 class HttpHandler {
  public:
-  HttpHandler(Log* log, const std::string& url_base);
+  explicit HttpHandler(const std::string& url_base);
   HttpHandler(const base::Closure& quit_func,
               const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
-              Log* log,
               const std::string& url_base,
               int adb_port);
   ~HttpHandler();
@@ -98,7 +96,6 @@ class HttpHandler {
 
   base::ThreadChecker thread_checker_;
   base::Closure quit_func_;
-  Log* log_;
   std::string url_base_;
   bool received_shutdown_;
   scoped_refptr<URLRequestContextGetter> context_getter_;