Revert of Mojo: Armed Watchers

content/child/web_data_consumer_handle_impl.h

Index: content/child/web_data_consumer_handle_impl.h
diff --git a/content/child/web_data_consumer_handle_impl.h b/content/child/web_data_consumer_handle_impl.h
index 16e61d2611ab55236078f26a5710015c4116eb10..fb814a237cb8c57492e4ad4cb1bb19bdca249b7b 100644
--- a/content/child/web_data_consumer_handle_impl.h
+++ b/content/child/web_data_consumer_handle_impl.h
@@ -11,7 +11,7 @@
 
 #include "content/common/content_export.h"
 #include "mojo/public/cpp/system/data_pipe.h"
-#include "mojo/public/cpp/system/simple_watcher.h"
+#include "mojo/public/cpp/system/watcher.h"
 #include "third_party/WebKit/public/platform/WebDataConsumerHandle.h"
 
 namespace content {
@@ -41,7 +41,7 @@
     void OnHandleGotReadable(MojoResult);
 
     scoped_refptr<Context> context_;
-    mojo::SimpleWatcher handle_watcher_;
+    mojo::Watcher handle_watcher_;
     Client* client_;
 
     DISALLOW_COPY_AND_ASSIGN(ReaderImpl);