Mac: Enable delegated renderer by default

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 82255825b061d603f6d5bb7ab7924a237d65cb66..2778d33e359dd261d19421e5ef7f3495b2f6b8a1 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -28,8 +28,6 @@
 #include "base/sys_info.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #include "content/browser/accessibility/browser_accessibility_manager_mac.h"
-#import "content/browser/cocoa/system_hotkey_helper_mac.h"
-#import "content/browser/cocoa/system_hotkey_map.h"
 #include "content/browser/compositor/resize_lock.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
@@ -98,17 +96,6 @@ using blink::WebMouseEvent;
 using blink::WebMouseWheelEvent;
 using blink::WebGestureEvent;
 
-namespace {
-
-// Whether a keyboard event has been reserved by OSX.
-BOOL EventIsReservedBySystem(NSEvent* event) {
-  content::SystemHotkeyHelperMac* helper =
-      content::SystemHotkeyHelperMac::GetInstance();
-  return helper->map()->IsEventReserved(event);
-}
-
-}  // namespace
-
 // These are not documented, so use only after checking -respondsToSelector:.
 @interface NSApplication (UndocumentedSpeechMethods)
 - (void)speakString:(NSString*)string;
@@ -2532,10 +2519,6 @@ void RenderWidgetHostViewMac::AcceleratedLayerDidDrawFrame(bool succeeded) {
   if ([[self window] firstResponder] != self)
     return NO;
 
-  // If the event is reserved by the system, then do not pass it to web content.
-  if (EventIsReservedBySystem(theEvent))
-    return NO;
-
   // If we return |NO| from this function, cocoa will send the key event to
   // the menu and only if the menu does not process the event to |keyDown:|. We
   // want to send the event to a renderer _before_ sending it to the menu, so
@@ -2583,19 +2566,6 @@ void RenderWidgetHostViewMac::AcceleratedLayerDidDrawFrame(bool succeeded) {
 
 - (void)keyEvent:(NSEvent*)theEvent wasKeyEquivalent:(BOOL)equiv {
   TRACE_EVENT0("browser", "RenderWidgetHostViewCocoa::keyEvent");
-
-  // If the user changes the system hotkey mapping after Chrome has been
-  // launched, then it is possible that a formerly reserved system hotkey is no
-  // longer reserved. The hotkey would have skipped the renderer, but would
-  // also have not been handled by the system. If this is the case, immediately
-  // return.
-  // TODO(erikchen): SystemHotkeyHelperMac should use the File System Events
-  // api to monitor changes to system hotkeys. This logic will have to be
-  // updated.
-  // http://crbug.com/383558.
-  if (EventIsReservedBySystem(theEvent))
-    return;
-
   DCHECK([theEvent type] != NSKeyDown ||
          !equiv == !([theEvent modifierFlags] & NSCommandKeyMask));