Deleted OS_WIN and all Windows specific files from base.

base/run_loop.h

Index: base/run_loop.h
diff --git a/base/run_loop.h b/base/run_loop.h
index 002410892f667252d8216ecd3b36e1945c332af6..74ca54450022733f82bbca2111cf8ae0798ed134 100644
--- a/base/run_loop.h
+++ b/base/run_loop.h
@@ -15,10 +15,6 @@ namespace base {
 class MessagePumpForUI;
 #endif
 
-#if defined(OS_WIN)
-class MessagePumpDispatcher;
-#endif
-
 #if defined(OS_IOS)
 class MessagePumpUIApplication;
 #endif
@@ -31,9 +27,6 @@ class MessagePumpUIApplication;
 class BASE_EXPORT RunLoop {
  public:
   RunLoop();
-#if defined(OS_WIN)
-  explicit RunLoop(MessagePumpDispatcher* dispatcher);
-#endif
   ~RunLoop();
 
   // Run the current MessageLoop. This blocks until Quit is called. Before
@@ -93,10 +86,6 @@ class BASE_EXPORT RunLoop {
   // Parent RunLoop or NULL if this is the top-most RunLoop.
   RunLoop* previous_run_loop_;
 
-#if defined(OS_WIN)
-  MessagePumpDispatcher* dispatcher_;
-#endif
-
   // Used to count how many nested Run() invocations are on the stack.
   int run_depth_;