content: Cleanup GpuMemoryBufferImpl destruction.

content/browser/gpu/browser_gpu_channel_host_factory.cc

Index: content/browser/gpu/browser_gpu_channel_host_factory.cc
diff --git a/content/browser/gpu/browser_gpu_channel_host_factory.cc b/content/browser/gpu/browser_gpu_channel_host_factory.cc
index 289805036f7ecddfaa46eceff0415e89476c0af1..29adc69ad843421354be30f50f2cf30bd5070cd6 100644
--- a/content/browser/gpu/browser_gpu_channel_host_factory.cc
+++ b/content/browser/gpu/browser_gpu_channel_host_factory.cc
@@ -413,16 +413,6 @@ BrowserGpuChannelHostFactory::AllocateGpuMemoryBuffer(size_t width,
   return request.result.Pass();
 }
 
-void BrowserGpuChannelHostFactory::DeleteGpuMemoryBuffer(
-    scoped_ptr<gfx::GpuMemoryBuffer> buffer) {
-  DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  GetIOLoopProxy()->PostTask(
-      FROM_HERE,
-      base::Bind(&BrowserGpuChannelHostFactory::DeleteGpuMemoryBufferOnIO,
-                 base::Passed(&buffer)));
-}
-
 // static
 void BrowserGpuChannelHostFactory::AddFilterOnIO(
     int host_id,
@@ -477,11 +467,6 @@ void BrowserGpuChannelHostFactory::AllocateGpuMemoryBufferOnIO(
 }
 
 // static
-void BrowserGpuChannelHostFactory::DeleteGpuMemoryBufferOnIO(
-    scoped_ptr<gfx::GpuMemoryBuffer> buffer) {
-}
-
-// static
 void BrowserGpuChannelHostFactory::OnGpuMemoryBufferCreated(
     AllocateGpuMemoryBufferRequest* request,
     scoped_ptr<GpuMemoryBufferImpl> buffer) {