Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/test/chromedriver/chrome/adb_impl.cc

Index: chrome/test/chromedriver/chrome/adb_impl.cc
diff --git a/chrome/test/chromedriver/chrome/adb_impl.cc b/chrome/test/chromedriver/chrome/adb_impl.cc
index d26d3936e4b5c6377c0e081fb0018b1fdafbb9fa..0386e29e749f2230282bde95608d790145686b58 100644
--- a/chrome/test/chromedriver/chrome/adb_impl.cc
+++ b/chrome/test/chromedriver/chrome/adb_impl.cc
@@ -74,7 +74,7 @@ AdbImpl::AdbImpl(
     const scoped_refptr<base::MessageLoopProxy>& io_message_loop_proxy,
     Log* log)
     : io_message_loop_proxy_(io_message_loop_proxy), log_(log) {
-  CHECK(io_message_loop_proxy_);
+  CHECK(io_message_loop_proxy_.get());
 }
 
 AdbImpl::~AdbImpl() {}