Adding GpuMemoryManager to track GpuCommandBufferStub visibility and last_used_time and dictate mem…

content/common/gpu/gpu_channel.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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 117 matching lines @@
   }
 
   if (!channel_.get()) {
     delete message;
     return false;
   }
 
   return channel_->Send(message);
 }
 
+void GpuChannel::AppendAllCommandBufferStubs(
+    std::vector<GpuMemoryManageableCommandBufferStub*>& stubs_with_surface,
+    std::vector<GpuMemoryManageableCommandBufferStub*>& stubs_without_surface) {
+  for (StubMap::Iterator<GpuCommandBufferStub> it(&stubs_);
+      !it.IsAtEnd(); it.Advance()) {
+    GpuMemoryManageableCommandBufferStub* stub = it.GetCurrentValue();
+    if (stub->surface_state().surface_id == 0)
+      stubs_without_surface.push_back(stub);
+    else
+      stubs_with_surface.push_back(stub);
+  }
+}
+
 bool GpuChannel::IsScheduled() {
   for (StubMap::Iterator<GpuCommandBufferStub> it(&stubs_);
        !it.IsAtEnd();
        it.Advance()) {
     GpuCommandBufferStub* stub = it.GetCurrentValue();
     if (!stub->IsScheduled())
       return false;
   }
 
   return true;
@@ skipping 284 matching lines @@
 
 #if defined(OS_POSIX)
 int GpuChannel::TakeRendererFileDescriptor() {
   if (!channel_.get()) {
     NOTREACHED();
     return -1;
   }
   return channel_->TakeClientFileDescriptor();
 }
 #endif  // defined(OS_POSIX)