Move the keyboard files from base/ to app/.

app/keyboard_code_conversion.cc

Index: app/keyboard_code_conversion.cc
diff --git a/base/keyboard_code_conversion.cc b/app/keyboard_code_conversion.cc
similarity index 98%
rename from base/keyboard_code_conversion.cc
rename to app/keyboard_code_conversion.cc
index 31f3c1468e702511cda953efa9a729a88619cacd..00f3c8300e9bd40f1d34dcc621c10c1b45360033 100644
--- a/base/keyboard_code_conversion.cc
+++ b/app/keyboard_code_conversion.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/keyboard_code_conversion.h"
+#include "app/keyboard_code_conversion.h"
 
 #include <string.h>
 
-#include "base/keyboard_codes.h"
+#include "app/keyboard_codes.h"
 
-namespace base {
+namespace app {
 
 namespace {
 
@@ -293,4 +293,4 @@ KeyboardCode KeyCodeFromKeyIdentifier(const std::string& key_identifier) {
   return id->key_code;
 }
 
-}  // namespace base
+}  // namespace app