[Android WebView] Remove some obsolete TODOs

android_webview/browser/in_process_view_renderer.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/browser/in_process_view_renderer.h"
 
 #include <android/bitmap.h>
 
 #include "android_webview/browser/aw_gl_surface.h"
 #include "android_webview/browser/scoped_app_gl_state_restore.h"
@@ skipping 232 matching lines @@
 }
 
 InProcessViewRenderer::~InProcessViewRenderer() {
   CHECK(web_contents_);
   content::SynchronousCompositor::SetClientForWebContents(web_contents_, NULL);
   web_contents_->SetUserData(kUserDataKey, NULL);
   NoLongerExpectsDrawGL();
   DCHECK(web_contents_ == NULL);  // WebContentsGone should have been called.
 }
 
-
-// TODO(boliu): Should also call this when we know for sure we are no longer,
-// for example, when visible rect becomes 0.
 void InProcessViewRenderer::NoLongerExpectsDrawGL() {
   GLViewRendererManager& mru = g_view_renderer_manager.Get();
   if (manager_key_ != mru.NullKey()) {
     mru.NoLongerExpectsDrawGL(manager_key_);
     manager_key_ = mru.NullKey();
-
-    // TODO(boliu): If this is the first one and there are GL pending,
-    // requestDrawGL on next one.
-    // TODO(boliu): If this is the last one, lose all global contexts.
   }
 }
 
 // static
 InProcessViewRenderer* InProcessViewRenderer::FromWebContents(
     content::WebContents* contents) {
   return UserData::GetInstance(contents);
 }
 
 void InProcessViewRenderer::WebContentsGone() {
@@ skipping 618 matching lines @@
     base::StringAppendF(&str,
                         "surface width height: [%d %d] ",
                         draw_info->width,
                         draw_info->height);
     base::StringAppendF(&str, "is_layer: %d ", draw_info->is_layer);
   }
   return str;
 }
 
 }  // namespace android_webview