Move text input API to Instance.

This allows us to delete a bunch of separate files that just do routing.

TEST=none
BUG=none

Review URL: https://chromiumcodereview.appspot.com/10170014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@134284 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/proxy/ppapi_messages.h b/ppapi/proxy/ppapi_messages.h
index 307574a..412aec0 100644
--- a/ppapi/proxy/ppapi_messages.h
+++ b/ppapi/proxy/ppapi_messages.h
@@ -899,18 +899,16 @@
                     int32_t /* type */,
                     ppapi::HostResource /* custom_image */,
                     PP_Point /* hot_spot */)
-
-// PPB_TextInput.
-IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBTextInput_SetTextInputType,
+IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBInstance_SetTextInputType,
                     PP_Instance /* instance */,
                     PP_TextInput_Type /* type */)
-IPC_MESSAGE_ROUTED3(PpapiHostMsg_PPBTextInput_UpdateCaretPosition,
+IPC_MESSAGE_ROUTED3(PpapiHostMsg_PPBInstance_UpdateCaretPosition,
                     PP_Instance /* instance */,
                     PP_Rect /* caret */,
                     PP_Rect /* bounding_box */)
-IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBTextInput_CancelCompositionText,
+IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBInstance_CancelCompositionText,
                     PP_Instance /* instance */)
-IPC_MESSAGE_ROUTED4(PpapiHostMsg_PPBTextInput_UpdateSurroundingText,
+IPC_MESSAGE_ROUTED4(PpapiHostMsg_PPBInstance_UpdateSurroundingText,
                     PP_Instance /* instance */,
                     std::string /* text */,
                     uint32_t /* caret */,