gpu: Add async upload functions.

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
index 1fc320636ba70a09dc8aa931473f7a880fd27f02..81dd6b5e7d8ed1cac9f519eb55508ad3bb71c887 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
@@ -606,6 +606,28 @@ class WebGraphicsContext3DCommandBufferImpl
   virtual void* mapBufferCHROMIUM(WGC3Denum target, WGC3Denum access);
   virtual WGC3Dboolean unmapBufferCHROMIUM(WGC3Denum target);
 
+  // Async pixel transfer functions.
+  virtual void asyncTexImage2DCHROMIUM(
+      WGC3Denum target,
+      WGC3Dint level,
+      WGC3Denum internalformat,
+      WGC3Dsizei width,
+      WGC3Dsizei height,
+      WGC3Dint border,
+      WGC3Denum format,
+      WGC3Denum type,
+      const void* pixels);
+  virtual void asyncTexSubImage2DCHROMIUM(
+      WGC3Denum target,
+      WGC3Dint level,
+      WGC3Dint xoffset,
+      WGC3Dint yoffset,
+      WGC3Dsizei width,
+      WGC3Dsizei height,
+      WGC3Denum format,
+      WGC3Denum type,
+      const void* pixels);
+
  protected:
   virtual GrGLInterface* onCreateGrGLInterface();