Move text input API to Instance.

ppapi/thunk/ppb_instance_api.h

Index: ppapi/thunk/ppb_instance_api.h
diff --git a/ppapi/thunk/ppb_instance_api.h b/ppapi/thunk/ppb_instance_api.h
index 05ebe8b8cbfa913aaee9086714e72966b4ed1f7b..6a516483638157675948d1dfd2a0b52f892e9208 100644
--- a/ppapi/thunk/ppb_instance_api.h
+++ b/ppapi/thunk/ppb_instance_api.h
@@ -6,6 +6,7 @@
 #define PPAPI_THUNK_INSTANCE_API_H_
 
 #include "ppapi/c/dev/ppb_console_dev.h"
+#include "ppapi/c/dev/ppb_text_input_dev.h"
 #include "ppapi/c/dev/ppb_url_util_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
@@ -110,6 +111,19 @@ class PPB_Instance_FunctionAPI {
                             PP_CompletionCallback callback) = 0;
   virtual void UnlockMouse(PP_Instance instance) = 0;
 
+  // TextInput.
+  virtual void SetTextInputType(PP_Instance instance,
+                                PP_TextInput_Type type) = 0;
+  virtual void UpdateCaretPosition(PP_Instance instance,
+                                   const PP_Rect& caret,
+                                   const PP_Rect& bounding_box) = 0;
+  virtual void CancelCompositionText(PP_Instance instance) = 0;
+  virtual void SelectionChanged(PP_Instance instance) = 0;
+  virtual void UpdateSurroundingText(PP_Instance instance,
+                                     const char* text,
+                                     uint32_t caret,
+                                     uint32_t anchor) = 0;
+
   // Zoom.
   virtual void ZoomChanged(PP_Instance instance, double factor) = 0;
   virtual void ZoomLimitsChanged(PP_Instance instance,