Delete memory manager dead code.

content/common/gpu/gpu_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <string>
 #include <vector>
 
@@ skipping 154 matching lines @@
 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
   IPC_STRUCT_TRAITS_MEMBER(process_map)
   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
-  IPC_STRUCT_TRAITS_MEMBER(window_count)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::GpuMemoryAllocationForRenderer)
   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_not_visible)
   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_not_visible)
   IPC_STRUCT_TRAITS_MEMBER(have_backbuffer_when_not_visible)
   IPC_STRUCT_TRAITS_MEMBER(enforce_but_do_not_keep_as_policy)
 IPC_STRUCT_TRAITS_END()
@@ skipping 75 matching lines @@
                      int32, /* image_id */
                      int32 /* sync_point */)
 
 // Tells the GPU process to create a context for collecting graphics card
 // information.
 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 
 // Tells the GPU process to report video_memory information for the task manager
 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 
-// Tells the GPU process' memory manager how many visible windows there are, so
-// it can partition memory amongst them.
-IPC_MESSAGE_CONTROL1(GpuMsg_SetVideoMemoryWindowCount,
-                     uint32 /* window_count */)
-
 // Tells the GPU process that the browser process has finished resizing the
 // view.
 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_ResizeViewACK)
 
 // Tells the GPU process that the browser process has handled the swap
 // buffers or post sub-buffer request. A non-zero sync point means
 // that we should wait for the sync point. The surface_handle identifies
 // that buffer that has finished presented, i.e. the buffer being returned.
 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
                     AcceleratedSurfaceMsg_BufferPresented_Params)
@@ skipping 367 matching lines @@
 
 // Confirm decoder has been flushed.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 
 // Confirm decoder has been reset.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 
 // Video decoder has encountered an error.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
                     uint32) /* Error ID */