Remove openglui embedder code

runtime/embedders/openglui/common/image_cache.cc

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#include "embedders/openglui/common/image_cache.h"
-
-#include <ctype.h>
-#include <string.h>
-#include "core/SkStream.h"
-#include "embedders/openglui/common/canvas_context.h"
-
-ImageCache* ImageCache::instance_ = NULL;
-
-extern CanvasContext* Context2D(int handle);
-
-ImageCache::ImageCache(const char* resource_path)
-    : images(), resource_path_(resource_path) {
-}
-
-const SkBitmap* ImageCache::GetImage_(const char* src_url) {
-  if (strncmp(src_url, "context2d://", 12) == 0) {
-    int handle = atoi(src_url + 12);
-    CanvasContext* otherContext = Context2D(handle);
-    return otherContext->GetBitmap();
-  } else if (images.find(src_url) == images.end()) {
-    SkBitmap* bm = Load(src_url);
-    if (bm != NULL) {
-      images[src_url] = bm;
-    }
-    return bm;
-  } else {
-    return images[src_url];
-  }
-}
-
-int ImageCache::GetWidth_(const char* src_url) {
-  const SkBitmap* image = GetImage(src_url);
-  if (image == NULL) return 0;
-  return image->width();
-}
-
-int ImageCache::GetHeight_(const char* src_url) {
-  const SkBitmap* image = GetImage(src_url);
-  if (image == NULL) return 0;
-  return image->height();
-}
-
-SkBitmap* ImageCache::Load(const char* src_url) {
-  SkBitmap *bm = NULL;
-  const char* filepath;
-  if (strncmp(src_url, "file://", 7) == 0) {
-    filepath = src_url + 7;
-  } else {
-    // TODO(gram): We need a way to remap URLs to local file names.
-    // For now I am just using the characters after the last '/'.
-    // Note also that if we want to support URLs and network fetches,
-    // then we introduce more complexity; this can't just be an URL.
-    int pos = strlen(src_url);
-    while (--pos >= 0 && src_url[pos] != '/');
-    filepath = src_url + pos + 1;
-  }
-  char* path;
-  if (filepath[0] == '/') {
-    path = const_cast<char*>(filepath);
-  } else {
-    size_t len1 = strlen(resource_path_);
-    size_t len2 = strlen(filepath);
-    path = new char[len1 + 1 + len2 + 1];
-    strncpy(path, resource_path_, len1+1);
-    strncat(path, "/", 1);
-    strncat(path, filepath, len2);
-  }
-
-  SkFILEStream stream(path);
-  if (stream.isValid()) {
-    // We could use DecodeFile and pass the path, but by creating the
-    // SkStream here we can produce better error log messages.
-    bm = new SkBitmap();
-    if (!SkImageDecoder::DecodeStream(&stream, bm)) {
-      LOGI("Image decode of %s failed", path);
-      return NULL;
-    } else {
-      LOGI("Decode image %s: width=%d,height=%d",
-          path, bm->width(), bm->height());
-    }
-  } else {
-    LOGI("Path %s is invalid", path);
-  }
-
-  if (path != filepath) {
-    delete[] path;
-  }
-  return bm;
-}
-