Revert of [Ozone-GBM] Handle GPU crashes

ui/ozone/platform/dri/chromeos/display_message_handler.cc

Index: ui/ozone/platform/dri/chromeos/display_message_handler.cc
diff --git a/ui/ozone/platform/dri/chromeos/display_message_handler.cc b/ui/ozone/platform/dri/chromeos/display_message_handler.cc
index 6e68b82aeea32d4a02e0ca47abad55da6f867e62..fec666ef2b353e4940c7a1bc82a9ea7d7b5185eb 100644
--- a/ui/ozone/platform/dri/chromeos/display_message_handler.cc
+++ b/ui/ozone/platform/dri/chromeos/display_message_handler.cc
@@ -12,22 +12,6 @@
 #include "ui/ozone/platform/dri/chromeos/native_display_delegate_dri.h"
 
 namespace ui {
-
-namespace {
-
-class FindDisplayById {
- public:
-  FindDisplayById(int64_t display_id) : display_id_(display_id) {}
-
-  bool operator()(const DisplaySnapshot_Params& display) const {
-    return display.display_id == display_id_;
-  }
-
- private:
-  int64_t display_id_;
-};
-
-}  // namespace
 
 DisplayMessageHandler::DisplayMessageHandler(
     scoped_ptr<NativeDisplayDelegateDri> ndd)
@@ -61,28 +45,9 @@
   ndd_->ForceDPMSOn();
 }
 
-void DisplayMessageHandler::OnRefreshNativeDisplays(
-    const std::vector<DisplaySnapshot_Params>& cached_displays) {
+void DisplayMessageHandler::OnRefreshNativeDisplays() {
   std::vector<DisplaySnapshot_Params> displays;
   std::vector<DisplaySnapshot*> native_displays = ndd_->GetDisplays();
-
-  // If any of the cached displays are in the list of new displays then apply
-  // their configuration immediately.
-  for (size_t i = 0; i < native_displays.size(); ++i) {
-    std::vector<DisplaySnapshot_Params>::const_iterator it =
-        std::find_if(cached_displays.begin(),
-                     cached_displays.end(),
-                     FindDisplayById(native_displays[i]->display_id()));
-
-    if (it == cached_displays.end())
-      continue;
-
-    if (it->has_current_mode)
-      OnConfigureNativeDisplay(it->display_id, it->current_mode, it->origin);
-    else
-      OnDisableNativeDisplay(it->display_id);
-  }
-
   for (size_t i = 0; i < native_displays.size(); ++i)
     displays.push_back(GetDisplaySnapshotParams(*native_displays[i]));