Accelerator Key's are not visible for Left and right Rotation in pdf context menu.

chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc

Index: chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc
diff --git a/chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc b/chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc
index 07ca4e1da77021ce90456fee96e04c34917b65f5..8cf89e55a89cba5a9934571f4c189fb0fba760ec 100644
--- a/chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc
+++ b/chrome/browser/ui/views/renderer_context_menu/render_view_context_menu_views.cc
@@ -90,6 +90,14 @@ bool RenderViewContextMenuViews::GetAcceleratorForCommandId(
       *accel = ui::Accelerator(ui::VKEY_A, ui::EF_CONTROL_DOWN);
       return true;
 
+    case IDC_CONTENT_CONTEXT_ROTATECCW:
+      *accel = ui::Accelerator(ui::VKEY_OEM_4, ui::EF_CONTROL_DOWN);
+      return true;
+
+    case IDC_CONTENT_CONTEXT_ROTATECW:
+      *accel = ui::Accelerator(ui::VKEY_OEM_6, ui::EF_CONTROL_DOWN);
+      return true;
+
     default:
       return false;
   }