Remove glCompressedCopySubTextureCHROMIUM.

gpu/GLES2/gl2extchromium.h

Index: gpu/GLES2/gl2extchromium.h
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index a7b5e05293bbc4ee6eeafa6ce4d7db7a591db47f..bed81647e269033fdedd0402c1ab28e5e891d3af 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -417,31 +417,9 @@ typedef void(GL_APIENTRYP PFNGLCOPYSUBTEXTURECHROMIUMPROC)(
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void GL_APIENTRY glCompressedCopyTextureCHROMIUM(
     GLenum target, GLenum source_id, GLenum dest_id);
-
-GL_APICALL void GL_APIENTRY glCompressedCopySubTextureCHROMIUM(
-    GLenum target,
-    GLenum source_id,
-    GLenum dest_id,
-    GLint xoffset,
-    GLint yoffset,
-    GLint x,
-    GLint y,
-    GLsizei width,
-    GLsizei height);
 #endif
 typedef void(GL_APIENTRYP PFNGLCOMPRESSEDCOPYTEXTURECHROMIUMPROC)(
     GLenum target, GLenum source_id, GLenum dest_id);
-
-typedef void(GL_APIENTRYP PFNGLCOMPRESSEDCOPYSUBTEXTURECHROMIUMPROC)(
-    GLenum target,
-    GLenum source_id,
-    GLenum dest_id,
-    GLint xoffset,
-    GLint yoffset,
-    GLint x,
-    GLint y,
-    GLsizei width,
-    GLsizei height);
 #endif  /* GL_CHROMIUM_compressed_copy_texture */
 
 /* GL_CHROMIUM_lose_context */