Deprecate and remove unused PPB_Flash functions.

ppapi/proxy/ppb_flash_proxy.h

Index: ppapi/proxy/ppb_flash_proxy.h
diff --git a/ppapi/proxy/ppb_flash_proxy.h b/ppapi/proxy/ppb_flash_proxy.h
index 09728ef78c51b30a1b5b2d45d92da08a662b7133..1c644bfe9bd3c9088b5ba9dae8e6c1d3394364a1 100644
--- a/ppapi/proxy/ppb_flash_proxy.h
+++ b/ppapi/proxy/ppb_flash_proxy.h
@@ -73,16 +73,11 @@ class PPB_Flash_Proxy : public InterfaceProxy, public PPB_Flash_Shared {
                            const URLRequestInfoData& data,
                            const char* target,
                            PP_Bool from_user_action) OVERRIDE;
-  virtual void RunMessageLoop(PP_Instance instance) OVERRIDE;
-  virtual void QuitMessageLoop(PP_Instance instance) OVERRIDE;
   virtual double GetLocalTimeZoneOffset(PP_Instance instance,
                                         PP_Time t) OVERRIDE;
   virtual PP_Bool IsRectTopmost(PP_Instance instance,
                                 const PP_Rect* rect) OVERRIDE;
   virtual void UpdateActivity(PP_Instance instance) OVERRIDE;
-  virtual PP_Var GetDeviceID(PP_Instance instance) OVERRIDE;
-  virtual int32_t GetSettingInt(PP_Instance instance,
-                                PP_FlashSetting setting) OVERRIDE;
   virtual PP_Var GetSetting(PP_Instance instance,
                             PP_FlashSetting setting) OVERRIDE;
   virtual PP_Bool SetCrashData(PP_Instance instance,
@@ -139,8 +134,6 @@ class PPB_Flash_Proxy : public InterfaceProxy, public PPB_Flash_Shared {
                          const std::string& target,
                          PP_Bool from_user_action,
                          int32_t* result);
-  void OnHostMsgRunMessageLoop(PP_Instance instance);
-  void OnHostMsgQuitMessageLoop(PP_Instance instance);
   void OnHostMsgGetLocalTimeZoneOffset(PP_Instance instance, PP_Time t,
                                        double* result);
   void OnHostMsgIsRectTopmost(PP_Instance instance,
@@ -161,8 +154,6 @@ class PPB_Flash_Proxy : public InterfaceProxy, public PPB_Flash_Shared {
                              const ppapi::HostResource& host_resource,
                              PP_FileInfo* info,
                              int32_t* result);
-  void OnHostMsgGetDeviceID(PP_Instance instance,
-                            SerializedVarReturnValue id);
   void OnHostMsgGetSetting(PP_Instance instance,
                            PP_FlashSetting setting,
                            SerializedVarReturnValue result);