Add GpuMemoryBuffer CreateFromClientId interface

content/browser/gpu/browser_gpu_memory_buffer_manager.h

Index: content/browser/gpu/browser_gpu_memory_buffer_manager.h
diff --git a/content/browser/gpu/browser_gpu_memory_buffer_manager.h b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
index f3f4fa33890b833b07a2d20966ba3988cc8e0510..75db1395847653d1fa3f661ab8ed0bc0cb6bdfbd 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.h
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
@@ -73,6 +73,9 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       gfx::BufferFormat format) override;
+  std::unique_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBufferFromClientId(
+      int client_id,
+      const gfx::GpuMemoryBufferId& gpu_memory_buffer_id) override;
   gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) override;
   void SetDestructionSyncToken(gfx::GpuMemoryBuffer* buffer,
@@ -102,31 +105,25 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
 
  private:
   struct BufferInfo {
-    BufferInfo()
-        : type(gfx::EMPTY_BUFFER),
-          format(gfx::BufferFormat::RGBA_8888),
-          usage(gfx::BufferUsage::GPU_READ),
-          gpu_host_id(0) {}
+    BufferInfo();
     BufferInfo(const gfx::Size& size,
                gfx::GpuMemoryBufferType type,
                gfx::BufferFormat format,
                gfx::BufferUsage usage,
-               int gpu_host_id)
-        : size(size),
-          type(type),
-          format(format),
-          usage(usage),
-          gpu_host_id(gpu_host_id) {}
+               int gpu_host_id);
+    BufferInfo(const BufferInfo& other);
+    ~BufferInfo();
 
     gfx::Size size;
-    gfx::GpuMemoryBufferType type;
-    gfx::BufferFormat format;
-    gfx::BufferUsage usage;
-    int gpu_host_id;
+    gfx::GpuMemoryBufferType type = gfx::EMPTY_BUFFER;
+    gfx::BufferFormat format = gfx::BufferFormat::RGBA_8888;
+    gfx::BufferUsage usage = gfx::BufferUsage::GPU_READ;
+    int gpu_host_id = 0;
   };
 
   struct CreateGpuMemoryBufferRequest;
   struct CreateGpuMemoryBufferFromHandleRequest;
+  struct CreateGpuMemoryBufferFromClientIdRequest;
 
   using CreateDelegate = base::Callback<void(GpuProcessHost* host,
                                              gfx::GpuMemoryBufferId id,
@@ -146,6 +143,8 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
   void HandleCreateGpuMemoryBufferOnIO(CreateGpuMemoryBufferRequest* request);
   void HandleCreateGpuMemoryBufferFromHandleOnIO(
       CreateGpuMemoryBufferFromHandleRequest* request);
+  void HandleCreateGpuMemoryBufferFromClientIdOnIO(
+      CreateGpuMemoryBufferFromClientIdRequest* request);
   void HandleGpuMemoryBufferCreatedOnIO(
       CreateGpuMemoryBufferRequest* request,
       const gfx::GpuMemoryBufferHandle& handle);