Remove obsolete SynthesizeScrollGesture method.

content/browser/devtools/protocol/input_handler.h

Index: content/browser/devtools/protocol/input_handler.h
diff --git a/content/browser/devtools/protocol/input_handler.h b/content/browser/devtools/protocol/input_handler.h
index edebfa11ca4dd664be1eb7d58782274d215d5842..cb6a5fcf713961be13014db13d0715b2b82112c3 100644
--- a/content/browser/devtools/protocol/input_handler.h
+++ b/content/browser/devtools/protocol/input_handler.h
@@ -76,18 +76,6 @@ class InputHandler {
                                   const int* relative_speed,
                                   const std::string* gesture_source_type);
 
-  // TODO(alexclarke): remove this once the protocol patch lands.
-  Response SynthesizeScrollGesture(DevToolsCommandId command_id,
-                                   int x,
-                                   int y,
-                                   const int* x_distance,
-                                   const int* y_distance,
-                                   const int* x_overscroll,
-                                   const int* y_overscroll,
-                                   const bool* prevent_fling,
-                                   const int* speed,
-                                   const std::string* gesture_source_type);
-
   Response SynthesizeScrollGesture(DevToolsCommandId command_id,
                                    int x,
                                    int y,