Extensions: Move cast_channel and hid APIs to extensions/.

extensions/browser/api/hid/hid_connection_resource.h

Index: extensions/browser/api/hid/hid_connection_resource.h
diff --git a/chrome/browser/extensions/api/hid/hid_connection_resource.h b/extensions/browser/api/hid/hid_connection_resource.h
similarity index 84%
rename from chrome/browser/extensions/api/hid/hid_connection_resource.h
rename to extensions/browser/api/hid/hid_connection_resource.h
index afd5ea827b363cfadc90a676c9e2db168d13edea..a9e7b570308ec6b55b517220b5122252958f4b6d 100644
--- a/chrome/browser/extensions/api/hid/hid_connection_resource.h
+++ b/extensions/browser/api/hid/hid_connection_resource.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
-#define CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
+#ifndef EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
+#define EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
 
 #include <string>
 
@@ -40,4 +40,4 @@ class HidConnectionResource : public ApiResource {
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
+#endif  // EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_