Remove openglui embedder code

runtime/embedders/openglui/common/canvas_context.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/canvas_context.h"
-
-#include <ctype.h>
-#include <string.h>
-#include "core/SkStream.h"
-#include "embedders/openglui/common/image_cache.h"
-#include "embedders/openglui/common/support.h"
-
-// TODO(gram): this should be dynamic.
-#define MAX_CONTEXTS 256
-CanvasContext* contexts[MAX_CONTEXTS] = { 0 };
-
-CanvasContext* Context2D(int handle) {
-  if (handle < 0 || handle >= MAX_CONTEXTS) {
-    LOGE("Request for out-of-range handle %d", handle);
-    return NULL;
-  }
-  if (contexts[handle] == NULL) {
-    LOGE("Warning: request for context with handle %d returns NULL", handle);
-  }
-  return contexts[handle];
-}
-
-void FreeContexts() {
-  extern CanvasContext* display_context;
-  for (int i = 0; i < MAX_CONTEXTS; i++) {
-    delete contexts[i];
-    contexts[i] = NULL;
-  }
-  display_context = NULL;
-}
-
-
-CanvasContext::CanvasContext(int handle, int16_t widthp, int16_t heightp)
-  : canvas_(NULL),
-    width_(widthp),
-    height_(heightp),
-    imageSmoothingEnabled_(true),
-    state_(NULL) {
-  if (handle >= MAX_CONTEXTS) {
-    LOGE("Max contexts exceeded");
-    exit(-1);
-  }
-  if (handle == 0) {
-    canvas_ = graphics->CreateDisplayCanvas();
-  } else {
-    canvas_ = graphics->CreateBitmapCanvas(widthp, heightp);
-  }
-  state_ = new CanvasState(canvas_);
-  contexts[handle] = this;
-  LOGI("Created context with handle %d", handle);
-}
-
-CanvasContext::~CanvasContext() {
-  delete state_;
-  delete canvas_;
-}
-
-void CanvasContext::Save() {
-  state_ = state_->Save();
-}
-
-void CanvasContext::Restore() {
-  CanvasState* popped_state = state_;
-  state_ = state_->Restore();
-  if (state_ == NULL) {
-    LOGE("Popping last state!");
-    state_ = popped_state;
-  }
-  if (state_ != popped_state) {
-    // Only delete if the pop was successful.
-    delete popped_state;
-  }
-}
-
-void CanvasContext::DrawImage(const char* src_url,
-                              int sx, int sy,
-                              bool has_src_dimensions, int sw, int sh,
-                              int dx, int dy,
-                              bool has_dst_dimensions, int dw, int dh) {
-  const SkBitmap* bm = ImageCache::GetImage(src_url);
-  if (bm == NULL) return;
-  if (!has_src_dimensions) {
-    sw = bm->width();
-    sh = bm->height();
-  }
-  if (!has_dst_dimensions) {
-    dw = bm->width();
-    dh = bm->height();
-  }
-  state_->DrawImage(*bm, sx, sy, sw, sh, dx, dy, dw, dh);
-  isDirty_ = true;
-}
-
-void CanvasContext::ClearRect(float left, float top,
-                              float width, float height) {
-  SkPaint paint;
-  paint.setStyle(SkPaint::kFill_Style);
-  paint.setColor(0xFFFFFFFF);
-  canvas_->drawRectCoords(left, top, left + width, top + height, paint);
-  isDirty_ = true;
-}
-