Revert of Fix (or tag) uses of explicit '64' instead of GL_MAILBOX_SIZE_CHROMIUM

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

 // 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_aura.h"
 
 #include "base/basictypes.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 823 matching lines @@
   EXPECT_EQ(0, cursor_client.calls_to_set_cursor());
 }
 
 scoped_ptr<cc::CompositorFrame> MakeGLFrame(float scale_factor,
                                             gfx::Size size,
                                             gfx::Rect damage) {
   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
   frame->metadata.device_scale_factor = scale_factor;
   frame->gl_frame_data.reset(new cc::GLFrameData);
   frame->gl_frame_data->sync_point = 1;
-  memset(frame->gl_frame_data->mailbox.name,
-         '1',
-         sizeof(frame->gl_frame_data->mailbox.name));
+  memset(frame->gl_frame_data->mailbox.name, '1', 64);
   frame->gl_frame_data->size = size;
   frame->gl_frame_data->sub_buffer_rect = damage;
   return frame.Pass();
 }
 
 scoped_ptr<cc::CompositorFrame> MakeSoftwareFrame(float scale_factor,
                                                   gfx::Size size,
                                                   gfx::Rect damage) {
   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
   frame->metadata.device_scale_factor = scale_factor;
@@ skipping 558 matching lines @@
 
   // Because the copy request callback may be holding state within it, that
   // state must handle the RWHVA and ImageTransportFactory going away before the
   // callback is called. This test passes if it does not crash as a result of
   // these things being destroyed.
   EXPECT_EQ(2, callback_count_);
   EXPECT_FALSE(result_);
 }
 
 }  // namespace content