DevTools: control touch emulation from the browser side only.

content/browser/devtools/render_view_devtools_agent_host.cc

Index: content/browser/devtools/render_view_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_view_devtools_agent_host.cc b/content/browser/devtools/render_view_devtools_agent_host.cc
index 7e7c90e7849c959b6008af43df8e9c0cdefdad0d..87de83197993cf69f1756d904e0b5b5d94ecca84 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.cc
+++ b/content/browser/devtools/render_view_devtools_agent_host.cc
@@ -402,8 +402,6 @@ bool RenderViewDevToolsAgentHost::DispatchIPCMessage(
                         OnSaveAgentRuntimeState)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 handled = false; OnSwapCompositorFrame(msg))
-    IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SetTouchEventEmulationEnabled,
-                                handled = OnSetTouchEventEmulationEnabled(msg))
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -417,11 +415,6 @@ void RenderViewDevToolsAgentHost::OnSwapCompositorFrame(
   overrides_handler_->OnSwapCompositorFrame(param.b.metadata);
 }
 
-bool RenderViewDevToolsAgentHost::OnSetTouchEventEmulationEnabled(
-    const IPC::Message& message) {
-  return overrides_handler_->OnSetTouchEventEmulationEnabled();
-}
-
 void RenderViewDevToolsAgentHost::SynchronousSwapCompositorFrame(
     const cc::CompositorFrameMetadata& frame_metadata) {
   if (!render_view_host_)