Add more generic filters to the chrome.hid.getDevices API.

extensions/browser/api/hid/hid_device_manager.h

Index: extensions/browser/api/hid/hid_device_manager.h
diff --git a/extensions/browser/api/hid/hid_device_manager.h b/extensions/browser/api/hid/hid_device_manager.h
index de949609aafd2af799ac916d8a286bafeb50b3cb..a258be49e5a066f4c082d30584b188f01e60115d 100644
--- a/extensions/browser/api/hid/hid_device_manager.h
+++ b/extensions/browser/api/hid/hid_device_manager.h
@@ -16,8 +16,14 @@
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/common/api/hid.h"
 
+namespace device {
+class HidDeviceFilter;
+}
+
 namespace extensions {
 
+class Extension;
+
 class HidDeviceManager : public BrowserContextKeyedAPI {
  public:
   explicit HidDeviceManager(content::BrowserContext* context);
@@ -31,11 +37,15 @@ class HidDeviceManager : public BrowserContextKeyedAPI {
     return BrowserContextKeyedAPIFactory<HidDeviceManager>::Get(context);
   }
 
-  scoped_ptr<base::ListValue> GetApiDevices(uint16_t vendor_id,
-                                            uint16_t product_id);
+  scoped_ptr<base::ListValue> GetApiDevices(
+      const Extension* extension,
+      const std::vector<device::HidDeviceFilter>& filters);
 
   bool GetDeviceInfo(int resource_id, device::HidDeviceInfo* device_info);
 
+  bool HasPermission(const Extension* extension,
+                     const device::HidDeviceInfo& device_info);
+
  private:
   friend class BrowserContextKeyedAPIFactory<HidDeviceManager>;