Plumb GpuMemoryBuffer allocation to GPU process.

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 0c43205d3d80b81a60230fba718914d1348b886f..13ccf34c433beb14efe7043498fc41734f1275df 100644
--- a/content/browser/gpu/browser_gpu_channel_host_factory.cc
+++ b/content/browser/gpu/browser_gpu_channel_host_factory.cc
@@ -469,4 +469,85 @@ void BrowserGpuChannelHostFactory::SetHandlerForControlMessages(
                  filter));
 }
 
+void BrowserGpuChannelHostFactory::CreateGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    unsigned internalformat,
+    unsigned usage,
+    const CreateGpuMemoryBufferCallback& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  GetIOLoopProxy()->PostTask(
+      FROM_HERE,
+      base::Bind(&BrowserGpuChannelHostFactory::CreateGpuMemoryBufferOnIO,
+                 base::Unretained(this),
+                 handle,
+                 size,
+                 internalformat,
+                 usage,
+                 callback));
+}
+
+void BrowserGpuChannelHostFactory::DestroyGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferHandle& handle,
+    int32 sync_point) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  GetIOLoopProxy()->PostTask(
+      FROM_HERE,
+      base::Bind(&BrowserGpuChannelHostFactory::DestroyGpuMemoryBufferOnIO,
+                 base::Unretained(this),
+                 handle,
+                 sync_point));
+}
+
+void BrowserGpuChannelHostFactory::CreateGpuMemoryBufferOnIO(
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    unsigned internalformat,
+    unsigned usage,
+    const CreateGpuMemoryBufferCallback& callback) {
+  GpuProcessHost* host = GpuProcessHost::FromID(gpu_host_id_);
+  if (!host) {
+    GpuMemoryBufferCreatedOnIO(callback, gfx::GpuMemoryBufferHandle());
+    return;
+  }
+
+  host->CreateGpuMemoryBuffer(
+      handle,
+      size,
+      internalformat,
+      usage,
+      base::Bind(&BrowserGpuChannelHostFactory::GpuMemoryBufferCreatedOnIO,
+                 callback));
+}
+
+// static
+void BrowserGpuChannelHostFactory::GpuMemoryBufferCreatedOnIO(
+    const CreateGpuMemoryBufferCallback& callback,
+    const gfx::GpuMemoryBufferHandle& handle) {
+  BrowserThread::PostTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(&BrowserGpuChannelHostFactory::OnGpuMemoryBufferCreated,
+                 callback,
+                 handle));
+}
+
+// static
+void BrowserGpuChannelHostFactory::OnGpuMemoryBufferCreated(
+    const CreateGpuMemoryBufferCallback& callback,
+    const gfx::GpuMemoryBufferHandle& handle) {
+  callback.Run(handle);
+}
+
+void BrowserGpuChannelHostFactory::DestroyGpuMemoryBufferOnIO(
+    const gfx::GpuMemoryBufferHandle& handle,
+    int32 sync_point) {
+  GpuProcessHost* host = GpuProcessHost::FromID(gpu_host_id_);
+  if (!host) {
+    return;
+  }
+
+  host->DestroyGpuMemoryBuffer(handle, sync_point);
+}
+
 }  // namespace content