EDK: Remove MOJO_SYSTEM_IMPL_EXPORT, system_impl_export.h, etc.

mojo/edk/system/dispatcher.h

Index: mojo/edk/system/dispatcher.h
diff --git a/mojo/edk/system/dispatcher.h b/mojo/edk/system/dispatcher.h
index 4a85915cbaf81c42a0c1ff355babf694bcd98ae5..4b0c558a248e264d6d899c2959be63c062c6042a 100644
--- a/mojo/edk/system/dispatcher.h
+++ b/mojo/edk/system/dispatcher.h
@@ -17,7 +17,6 @@
 #include "mojo/edk/system/handle_signals_state.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/edk/system/mutex.h"
-#include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.h"
 #include "mojo/public/c/system/message_pipe.h"
@@ -47,8 +46,7 @@ using DispatcherVector = std::vector<scoped_refptr<Dispatcher>>;
 namespace test {
 
 // Test helper. We need to declare it here so we can friend it.
-MOJO_SYSTEM_IMPL_EXPORT DispatcherTransport
-DispatcherTryStartTransport(Dispatcher* dispatcher);
+DispatcherTransport DispatcherTryStartTransport(Dispatcher* dispatcher);
 
 }  // namespace test
 
@@ -57,8 +55,7 @@ DispatcherTryStartTransport(Dispatcher* dispatcher);
 // object is thread-safe, with its state being protected by a single mutex
 // |mutex_|, which is also made available to implementation subclasses (via the
 // |mutex()| method).
-class MOJO_SYSTEM_IMPL_EXPORT Dispatcher
-    : public base::RefCountedThreadSafe<Dispatcher> {
+class Dispatcher : public base::RefCountedThreadSafe<Dispatcher> {
  public:
   enum class Type {
     UNKNOWN = 0,
@@ -390,7 +387,7 @@ class MOJO_SYSTEM_IMPL_EXPORT Dispatcher
 //
 // Note: This class is deliberately "thin" -- no more expensive than a
 // |Dispatcher*|.
-class MOJO_SYSTEM_IMPL_EXPORT DispatcherTransport {
+class DispatcherTransport {
  public:
   DispatcherTransport() : dispatcher_(nullptr) {}
 
@@ -423,8 +420,7 @@ class MOJO_SYSTEM_IMPL_EXPORT DispatcherTransport {
 };
 
 // So logging macros and |DCHECK_EQ()|, etc. work.
-MOJO_SYSTEM_IMPL_EXPORT inline std::ostream& operator<<(std::ostream& out,
-                                                        Dispatcher::Type type) {
+inline std::ostream& operator<<(std::ostream& out, Dispatcher::Type type) {
   return out << static_cast<int>(type);
 }