libweave: Rename buffet namespace into weave

Namespace renamed only in libweave dirrectory. Namespace of buffet/
stays same.

BUG=brillo:1235
TEST=FEATURES=test emerge-gizmo buffet

Change-Id: If45c63f443fab792b661ea85f57ddacc380d0a13
Reviewed-on: https://chromium-review.googlesource.com/284578
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
diff --git a/libweave/src/base_api_handler.h b/libweave/src/base_api_handler.h
index 73c0980..8d9add7 100644
--- a/libweave/src/base_api_handler.h
+++ b/libweave/src/base_api_handler.h
@@ -10,7 +10,7 @@
 
 #include <base/memory/weak_ptr.h>
 
-namespace buffet {
+namespace weave {
 
 class CommandInstance;
 class CommandManager;
@@ -41,6 +41,6 @@
   DISALLOW_COPY_AND_ASSIGN(BaseApiHandler);
 };
 
-}  // namespace buffet
+}  // namespace weave
 
 #endif  // LIBWEAVE_SRC_BASE_API_HANDLER_H_