gpu: introduce glSetStreamTextureSizeCHROMIUM(GLuint texture, GLint stream_id, GLsizei width, GLsiz…

gpu/command_buffer/client/gpu_control.h

Index: gpu/command_buffer/client/gpu_control.h
diff --git a/gpu/command_buffer/client/gpu_control.h b/gpu/command_buffer/client/gpu_control.h
index c6e5871f6f9c8bbd64b150f0e44c2f548ba5fd1f..8fadfdb983f22d84f9249e0b24c674081bd77921 100644
--- a/gpu/command_buffer/client/gpu_control.h
+++ b/gpu/command_buffer/client/gpu_control.h
@@ -79,7 +79,13 @@ class GPU_EXPORT GpuControl {
 
   // Attaches an external stream to the texture given by |texture_id| and
   // returns a stream identifier.
-  virtual uint32_t CreateStreamTexture(uint32_t texture_id) = 0;
+  virtual int32 CreateStreamTexture(uint32_t texture_id) = 0;
+
+  // Set the size to the external stream texture.
+  virtual void SetStreamTextureSize(uint32 texture_id,
+                                    int32 stream_id,
+                                    size_t width,
+                                    size_t height) = 0;
 
   // Sets a lock this will be held on every callback from the GPU
   // implementation. This lock must be set and must be held on every call into