Remove CrApplication dependency from base

base/message_pump_mac.mm

 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_pump_mac.h"
 
 #import <AppKit/AppKit.h>
 #import <Foundation/Foundation.h>
 #include <IOKit/IOMessage.h>
 #include <IOKit/pwr_mgt/IOPMLib.h>
 
 #include <limits>
 
-#import "base/chrome_application_mac.h"
 #include "base/logging.h"
 #include "base/time.h"
 
 namespace {
 
 void NoOp(void* info) {
 }
 
 const CFTimeInterval kCFTimeIntervalMax =
     std::numeric_limits<CFTimeInterval>::max();
@@ skipping 641 matching lines @@
 }
 
 MessagePumpNSApplication::MessagePumpNSApplication()
     : keep_running_(true),
       running_own_loop_(false) {
 }
 
 void MessagePumpNSApplication::DoRun(Delegate* delegate) {
   bool last_running_own_loop_ = running_own_loop_;
 
-  // TODO(dmaclach): Get rid of this gratuitous sharedApplication.
-  // Tests should be setting up their applications on their own.
-  [CrApplication sharedApplication];
-
   if (![NSApp isRunning]) {
     running_own_loop_ = false;
     // NSApplication manages autorelease pools itself when run this way.
     [NSApp run];
   } else {
     running_own_loop_ = true;
     NSDate* distant_future = [NSDate distantFuture];
     while (keep_running_) {
       MessagePumpScopedAutoreleasePool autorelease_pool(this);
       NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask
@@ skipping 52 matching lines @@
 // controller, which autoreleased itself in frame #0, to release itself, and
 // possibly free itself. Unfortunately this window controller controls the
 // window in frame #5. When the stack is unwound to frame #5, the window would
 // no longer exists and crashes may occur. Apple gets around this by never
 // releasing the pool it creates in frame #4, and letting frame #7 clean it up
 // when it cleans up the pool that wraps frame #7. When an autorelease pool is
 // released it releases all other pools that were created after it on the
 // autorelease pool stack.
 //
 // CrApplication is responsible for setting handlingSendEvent to true just
-// before it sends the event throught the event handling mechanism, and
+// before it sends the event through the event handling mechanism, and
 // returning it to its previous value once the event has been sent.
 NSAutoreleasePool* MessagePumpNSApplication::CreateAutoreleasePool() {
   NSAutoreleasePool* pool = nil;
-  DCHECK([NSApp isKindOfClass:[CrApplication class]]);
-  if (![static_cast<CrApplication*>(NSApp) isHandlingSendEvent]) {
+  DCHECK([NSApp conformsToProtocol:@protocol(CrAppProtocol)]);
+  if (![NSApp isHandlingSendEvent]) {
     pool = MessagePumpCFRunLoopBase::CreateAutoreleasePool();
   }
   return pool;
 }
 
 // static
 MessagePump* MessagePumpMac::Create() {
   if ([NSThread isMainThread]) {
     return new MessagePumpNSApplication;
   }
 
   return new MessagePumpNSRunLoop;
 }
 
 }  // namespace base