Remove <iostream> where possible.

gfx/rect.cc

 // Copyright (c) 2010 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 "gfx/rect.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_MACOSX)
 #include <CoreGraphics/CGGeometry.h>
 #elif defined(OS_POSIX)
 #include <gdk/gdk.h>
 #endif
 
-#include <iostream>
+#include <ostream>
 
 #include "base/logging.h"
 #include "gfx/insets.h"
 
 namespace {
 
 void AdjustAlongAxis(int dst_origin, int dst_size, int* origin, int* size) {
   if (*origin < dst_origin) {
     *origin = dst_origin;
     *size = std::min(dst_size, *size);
@@ skipping 202 matching lines @@
              (x() == rect.right() || right() == rect.x())) ||
          (x() == rect.x() && width() == rect.width() &&
              (y() == rect.bottom() || bottom() == rect.y()));
 }
 
 }  // namespace gfx
 
 std::ostream& operator<<(std::ostream& out, const gfx::Rect& r) {
   return out << r.origin() << " " << r.size();
 }