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Side by Side Diff: base/message_loop.h

Issue 8511045: Cleanup: Remove unneeded forward declarations in base, dbug, gpu, ipc, jingle, and media. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 9 years, 1 month ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_MESSAGE_LOOP_H_ 5 #ifndef BASE_MESSAGE_LOOP_H_
6 #define BASE_MESSAGE_LOOP_H_ 6 #define BASE_MESSAGE_LOOP_H_
7 #pragma once 7 #pragma once
8 8
9 #include <queue> 9 #include <queue>
10 #include <string> 10 #include <string>
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38 #include "base/message_pump_gtk.h" 38 #include "base/message_pump_gtk.h"
39 #endif 39 #endif
40 40
41 #endif 41 #endif
42 #endif 42 #endif
43 43
44 namespace base { 44 namespace base {
45 class Histogram; 45 class Histogram;
46 } 46 }
47 47
48 namespace tracked_objects {
49 class Births;
50 }
51
52 // A MessageLoop is used to process events for a particular thread. There is 48 // A MessageLoop is used to process events for a particular thread. There is
53 // at most one MessageLoop instance per thread. 49 // at most one MessageLoop instance per thread.
54 // 50 //
55 // Events include at a minimum Task instances submitted to PostTask or those 51 // Events include at a minimum Task instances submitted to PostTask or those
56 // managed by TimerManager. Depending on the type of message pump used by the 52 // managed by TimerManager. Depending on the type of message pump used by the
57 // MessageLoop other events such as UI messages may be processed. On Windows 53 // MessageLoop other events such as UI messages may be processed. On Windows
58 // APC calls (as time permits) and signals sent to a registered set of HANDLEs 54 // APC calls (as time permits) and signals sent to a registered set of HANDLEs
59 // may also be processed. 55 // may also be processed.
60 // 56 //
61 // NOTE: Unless otherwise specified, a MessageLoop's methods may only be called 57 // NOTE: Unless otherwise specified, a MessageLoop's methods may only be called
(...skipping 623 matching lines...) Expand 10 before | Expand all | Expand 10 after
685 // TODO(rvargas): Make this platform independent. 681 // TODO(rvargas): Make this platform independent.
686 base::MessagePumpForIO* pump_io() { 682 base::MessagePumpForIO* pump_io() {
687 return static_cast<base::MessagePumpForIO*>(pump_.get()); 683 return static_cast<base::MessagePumpForIO*>(pump_.get());
688 } 684 }
689 685
690 #elif defined(OS_POSIX) 686 #elif defined(OS_POSIX)
691 // Please see MessagePumpLibevent for definition. 687 // Please see MessagePumpLibevent for definition.
692 bool WatchFileDescriptor(int fd, 688 bool WatchFileDescriptor(int fd,
693 bool persistent, 689 bool persistent,
694 Mode mode, 690 Mode mode,
695 FileDescriptorWatcher *controller, 691 FileDescriptorWatcher* controller,
696 Watcher *delegate); 692 Watcher* delegate);
697 693
698 private: 694 private:
699 base::MessagePumpLibevent* pump_io() { 695 base::MessagePumpLibevent* pump_io() {
700 return static_cast<base::MessagePumpLibevent*>(pump_.get()); 696 return static_cast<base::MessagePumpLibevent*>(pump_.get());
701 } 697 }
702 #endif // defined(OS_POSIX) 698 #endif // defined(OS_POSIX)
703 }; 699 };
704 700
705 // Do not add any member variables to MessageLoopForIO! This is important b/c 701 // Do not add any member variables to MessageLoopForIO! This is important b/c
706 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra 702 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra
707 // data that you need should be stored on the MessageLoop's pump_ instance. 703 // data that you need should be stored on the MessageLoop's pump_ instance.
708 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO), 704 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
709 MessageLoopForIO_should_not_have_extra_member_variables); 705 MessageLoopForIO_should_not_have_extra_member_variables);
710 706
711 #endif // BASE_MESSAGE_LOOP_H_ 707 #endif // BASE_MESSAGE_LOOP_H_
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