Bug 1626114 - Remove unused update_program_cache. r=kvark

Differential Revision: https://phabricator.services.mozilla.com/D68931

--HG--
extra : moz-landing-system : lando

gfx/webrender_bindings/src/bindings.rs

@@ -1108,12 +1108,6 @@ pub unsafe extern "C" fn remove_program_binary_disk_cache(prof_path: &nsAString)
     }
 }
 
-#[no_mangle]
-pub extern "C" fn wr_renderer_update_program_cache(renderer: &mut Renderer, program_cache: &mut WrProgramCache) {
-    let program_cache = Rc::clone(&program_cache.rc_get());
-    renderer.update_program_cache(program_cache);
-}
-
 // This matches IsEnvSet in gfxEnv.h
 fn env_var_to_bool(key: &'static str) -> bool {
     env::var(key).ok().map_or(false, |v| !v.is_empty())

gfx/wr/webrender/src/device/gl.rs

@@ -1601,10 +1601,6 @@ impl Device {
         &self.gl
     }
 
-    pub fn update_program_cache(&mut self, cached_programs: Rc<ProgramCache>) {
-        self.cached_programs = Some(cached_programs);
-    }
-
     /// Ensures that the maximum texture size is less than or equal to the
     /// provided value. If the provided value is less than the value supported
     /// by the driver, the latter is used.

gfx/wr/webrender/src/renderer.rs

@@ -2570,12 +2570,6 @@ impl Renderer {
         self.pipeline_info.epochs.get(&(pipeline_id, document_id)).cloned()
     }
 
-    // update the program cache with new binaries, e.g. when some of the lazy loaded
-    // shader programs got activated in the mean time
-    pub fn update_program_cache(&mut self, cached_programs: Rc<ProgramCache>) {
-        self.device.update_program_cache(cached_programs);
-    }
-
     /// Processes the result queue.
     ///
     /// Should be called before `render()`, as texture cache updates are done here.