[DevTools] Remove handlers = browser from protocol definition.

content/browser/devtools/protocol/emulation_handler.cc

Index: content/browser/devtools/protocol/emulation_handler.cc
diff --git a/content/browser/devtools/protocol/emulation_handler.cc b/content/browser/devtools/protocol/emulation_handler.cc
index 5516fc78a4657abaa0c5b0c36cea0555e06ca07d..a2f4cbd8082f9f2add3bce35701c566bbb2a45e0 100644
--- a/content/browser/devtools/protocol/emulation_handler.cc
+++ b/content/browser/devtools/protocol/emulation_handler.cc
@@ -256,6 +256,40 @@ Response EmulationHandler::SetVisibleSize(int width, int height) {
   return Response::OK();
 }
 
+Response EmulationHandler::ForceViewport(double x, double y, double scale) {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::ResetViewport() {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::ResetPageScaleFactor() {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::SetPageScaleFactor(double page_scale_factor) {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::SetScriptExecutionDisabled(bool disabled) {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::SetEmulatedMedia(const std::string& media) {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::SetCPUThrottlingRate(double rate) {
+  return Response::FallThrough();
+}
+
+Response EmulationHandler::SetVirtualTimePolicy(
+    const std::string& policy,
+    const int* budget) {
+  return Response::FallThrough();
+}
+
 WebContentsImpl* EmulationHandler::GetWebContents() {
   return host_ ?
       static_cast<WebContentsImpl*>(WebContents::FromRenderFrameHost(host_)) :