gpu: Associate all GpuMemoryBuffers with unique IDs.

content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
index 35e08c99308b44bfab62fb0e1473945eceaca92e..1706a01e136e37bace246253695f3db0479e57e7 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
@@ -4,7 +4,6 @@
 
 #include "content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h"
 
-#include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "content/common/gpu/client/gpu_memory_buffer_factory_host.h"
 #include "ui/gl/gl_bindings.h"
@@ -12,23 +11,26 @@
 namespace content {
 namespace {
 
-base::StaticAtomicSequenceNumber g_next_buffer_id;
-
-void GpuMemoryBufferDeleted(const gfx::GpuMemoryBufferHandle& handle,
+void GpuMemoryBufferDeleted(gfx::GpuMemoryBufferId id,
+                            int client_id,
                             uint32 sync_point) {
-  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(handle,
-                                                                    sync_point);
+  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(
+      gfx::OZONE_NATIVE_BUFFER, id, client_id, sync_point);
 }
 
 void GpuMemoryBufferCreated(
     const gfx::Size& size,
     gfx::GpuMemoryBuffer::Format format,
+    int client_id,
     const GpuMemoryBufferImpl::CreationCallback& callback,
     const gfx::GpuMemoryBufferHandle& handle) {
   DCHECK_EQ(gfx::OZONE_NATIVE_BUFFER, handle.type);
 
   callback.Run(GpuMemoryBufferImplOzoneNativeBuffer::CreateFromHandle(
-      handle, size, format, base::Bind(&GpuMemoryBufferDeleted, handle)));
+      handle,
+      size,
+      format,
+      base::Bind(&GpuMemoryBufferDeleted, handle.id, client_id)));
 }
 
 void GpuMemoryBufferCreatedForChildProcess(
@@ -42,11 +44,11 @@ void GpuMemoryBufferCreatedForChildProcess(
 }  // namespace
 
 GpuMemoryBufferImplOzoneNativeBuffer::GpuMemoryBufferImplOzoneNativeBuffer(
+    gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     Format format,
-    const DestructionCallback& callback,
-    const gfx::GpuMemoryBufferId& id)
-    : GpuMemoryBufferImpl(size, format, callback), id_(id) {
+    const DestructionCallback& callback)
+    : GpuMemoryBufferImpl(id, size, format, callback) {
 }
 
 GpuMemoryBufferImplOzoneNativeBuffer::~GpuMemoryBufferImplOzoneNativeBuffer() {
@@ -54,37 +56,35 @@ GpuMemoryBufferImplOzoneNativeBuffer::~GpuMemoryBufferImplOzoneNativeBuffer() {
 
 // static
 void GpuMemoryBufferImplOzoneNativeBuffer::Create(
+    gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     Format format,
     int client_id,
     const CreationCallback& callback) {
-  gfx::GpuMemoryBufferHandle handle;
-  handle.global_id.primary_id = g_next_buffer_id.GetNext();
-  handle.global_id.secondary_id = client_id;
-  handle.type = gfx::OZONE_NATIVE_BUFFER;
   GpuMemoryBufferFactoryHost::GetInstance()->CreateGpuMemoryBuffer(
-      handle,
+      gfx::OZONE_NATIVE_BUFFER,
+      id,
       size,
       format,
       SCANOUT,
-      base::Bind(&GpuMemoryBufferCreated, size, format, callback));
+      client_id,
+      base::Bind(&GpuMemoryBufferCreated, size, format, client_id, callback));
 }
 
 // static
 void GpuMemoryBufferImplOzoneNativeBuffer::AllocateForChildProcess(
+    gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     Format format,
     int child_client_id,
     const AllocationCallback& callback) {
-  gfx::GpuMemoryBufferHandle handle;
-  handle.global_id.primary_id = g_next_buffer_id.GetNext();
-  handle.global_id.secondary_id = child_client_id;
-  handle.type = gfx::OZONE_NATIVE_BUFFER;
   GpuMemoryBufferFactoryHost::GetInstance()->CreateGpuMemoryBuffer(
-      handle,
+      gfx::OZONE_NATIVE_BUFFER,
+      id,
       size,
       format,
       SCANOUT,
+      child_client_id,
       base::Bind(&GpuMemoryBufferCreatedForChildProcess, callback));
 }
 
@@ -99,18 +99,16 @@ GpuMemoryBufferImplOzoneNativeBuffer::CreateFromHandle(
 
   return make_scoped_ptr<GpuMemoryBufferImpl>(
       new GpuMemoryBufferImplOzoneNativeBuffer(
-          size, format, callback, handle.global_id));
+          handle.id, size, format, callback));
 }
 
 // static
 void GpuMemoryBufferImplOzoneNativeBuffer::DeletedByChildProcess(
-    const gfx::GpuMemoryBufferId& id,
+    gfx::GpuMemoryBufferId id,
+    int child_client_id,
     uint32_t sync_point) {
-  gfx::GpuMemoryBufferHandle handle;
-  handle.type = gfx::OZONE_NATIVE_BUFFER;
-  handle.global_id = id;
-  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(handle,
-                                                                    sync_point);
+  GpuMemoryBufferFactoryHost::GetInstance()->DestroyGpuMemoryBuffer(
+      gfx::OZONE_NATIVE_BUFFER, id, child_client_id, sync_point);
 }
 
 // static
@@ -165,7 +163,7 @@ gfx::GpuMemoryBufferHandle GpuMemoryBufferImplOzoneNativeBuffer::GetHandle()
     const {
   gfx::GpuMemoryBufferHandle handle;
   handle.type = gfx::OZONE_NATIVE_BUFFER;
-  handle.global_id = id_;
+  handle.id = id_;
   return handle;
 }