[DevTools] Remove handlers = browser from protocol definition.

content/browser/devtools/protocol/emulation_handler.h

Index: content/browser/devtools/protocol/emulation_handler.h
diff --git a/content/browser/devtools/protocol/emulation_handler.h b/content/browser/devtools/protocol/emulation_handler.h
index 1029002c4c580ed9a9f517e0e3b01578426d3804..8a98ce65c80e2be5374eb8cf55b843544b5b884e 100644
--- a/content/browser/devtools/protocol/emulation_handler.h
+++ b/content/browser/devtools/protocol/emulation_handler.h
@@ -28,6 +28,7 @@ class EmulationHandler {
   ~EmulationHandler();
 
   void SetRenderFrameHost(RenderFrameHostImpl* host);
+  void SetClient(std::unique_ptr<Client> client) { }
   void Detached();
 
   Response SetGeolocationOverride(double* latitude,
@@ -57,6 +58,15 @@ class EmulationHandler {
 
   Response SetVisibleSize(int width, int height);
 
+  Response ForceViewport(double x, double y, double scale);
+  Response ResetViewport();
+  Response ResetPageScaleFactor();
+  Response SetPageScaleFactor(double page_scale_factor);
+  Response SetScriptExecutionDisabled(bool disabled);
+  Response SetEmulatedMedia(const std::string& media);
+  Response SetCPUThrottlingRate(double rate);
+  Response SetVirtualTimePolicy(const std::string& policy, const int* budget);
+
  private:
   WebContentsImpl* GetWebContents();
   void UpdateTouchEventEmulationState();