Add a new parameter dest_type to the GL_CHROMIUM_copy_texture extension.

gpu/GLES2/gl2extchromium.h

Index: gpu/GLES2/gl2extchromium.h
diff --git a/gpu/GLES2/gl2extchromium.h b/gpu/GLES2/gl2extchromium.h
index 42184068ad08539ca5de6205ab1381036b9d5a49..d64c7048ba937a2c46f74854e4717f12692aff2b 100644
--- a/gpu/GLES2/gl2extchromium.h
+++ b/gpu/GLES2/gl2extchromium.h
@@ -326,11 +326,11 @@ typedef void (GL_APIENTRYP PFNGLBINDUNIFORMLOCATIONCHROMIUMPROC) (
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL void GL_APIENTRY glCopyTextureCHROMIUM(
     GLenum target, GLenum source_id, GLenum dest_id, GLint level,
-    GLint internalformat);
+    GLint internalformat, GLint dest_type);
 #endif
 typedef void (GL_APIENTRYP PFNGLCOPYTEXTURECHROMIUMPROC) (
     GLenum target, GLenum source_id, GLenum dest_id, GLint level,
-    GLint internalformat);
+    GLint internalformat, GLint dest_type);
 #endif  /* GL_CHROMIUM_copy_texture */
 
 /* GL_CHROMIUM_lose_context */