Fix NSPasteboard leaks.

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 #include <stdint.h>
 
 #include <limits>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/mac/sdk_forward_declarations.h"
+#include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/trace_event/trace_event.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
@@ skipping 29 matching lines @@
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
 #import "content/public/browser/render_widget_host_view_mac_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "gpu/ipc/common/gpu_messages.h"
 #include "skia/ext/platform_canvas.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #import "third_party/mozilla/ComplexTextInputPanel.h"
+#import "ui/base/clipboard/clipboard_util_mac.h"
 #include "ui/base/cocoa/animation_utils.h"
 #include "ui/base/cocoa/cocoa_base_utils.h"
 #import "ui/base/cocoa/fullscreen_window_manager.h"
 #import "ui/base/cocoa/underlay_opengl_hosting_window.h"
 #include "ui/base/layout.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/layer.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/color_profile.h"
 #include "ui/gfx/display.h"
@@ skipping 2335 matching lines @@
                                  targetView:(NSView*) view {
   if ([string length] == 0) {
     // The PDF plugin does not support getting the attributed string at point.
     // Until it does, use NSPerformService(), which opens Dictionary.app.
     // TODO(shuchen): Support GetStringAtPoint() & GetStringFromRange() for PDF.
     // See crbug.com/152438.
     NSString* text = base::SysUTF8ToNSString(
         renderWidgetHostView_->selected_text());
     if ([text length] == 0)
       return;
-    NSPasteboard* pasteboard = [NSPasteboard pasteboardWithUniqueName];
+    scoped_refptr<ui::UniquePasteboard> pasteboard = new ui::UniquePasteboard;
     NSArray* types = [NSArray arrayWithObject:NSStringPboardType];
-    [pasteboard declareTypes:types owner:nil];
-    if ([pasteboard setString:text forType:NSStringPboardType])
-      NSPerformService(@"Look Up in Dictionary", pasteboard);
+    [pasteboard->get() declareTypes:types owner:nil];
+    if ([pasteboard->get() setString:text forType:NSStringPboardType])
+      NSPerformService(@"Look Up in Dictionary", pasteboard->get());
     return;
   }
   dispatch_async(dispatch_get_main_queue(), ^{
     [view showDefinitionForAttributedString:string
                                     atPoint:baselinePoint];
   });
 }
 
 - (void)showLookUpDictionaryOverlayFromRange:(NSRange)range
                                   targetView:(NSView*)targetView {
@@ skipping 1048 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end