Delete unused chrome://fallback-icon/ handling

components/favicon/core/fallback_icon_service.cc

Index: components/favicon/core/fallback_icon_service.cc
diff --git a/components/favicon/core/fallback_icon_service.cc b/components/favicon/core/fallback_icon_service.cc
deleted file mode 100644
index 291e1fac8a9ddd9cd3f8e6eb2c7aa8a7990e2db7..0000000000000000000000000000000000000000
--- a/components/favicon/core/fallback_icon_service.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2015 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 "components/favicon/core/fallback_icon_service.h"
-
-#include <stddef.h>
-
-#include <algorithm>
-
-#include "cc/paint/skia_paint_canvas.h"
-#include "components/favicon/core/fallback_icon_client.h"
-#include "components/favicon/core/fallback_url_util.h"
-#include "components/favicon_base/fallback_icon_style.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/codec/png_codec.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-#include "url/gurl.h"
-
-namespace favicon {
-namespace {
-
-// Arbitrary maximum icon size, can be reasonably increased if needed.
-const int kMaxFallbackFaviconSize = 288;
-
-}  // namespace
-
-FallbackIconService::FallbackIconService(
-    FallbackIconClient* fallback_icon_client)
-    : fallback_icon_client_(fallback_icon_client) {
-}
-
-FallbackIconService::~FallbackIconService() {
-}
-
-std::vector<unsigned char> FallbackIconService::RenderFallbackIconBitmap(
-    const GURL& icon_url,
-    int size,
-    const favicon_base::FallbackIconStyle& style) {
-  int size_to_use = std::min(kMaxFallbackFaviconSize, size);
-  SkBitmap bitmap;
-  bitmap.allocN32Pixels(size_to_use, size_to_use, false);
-  cc::SkiaPaintCanvas paint_canvas(bitmap);
-  gfx::Canvas canvas(&paint_canvas, 1.f);
-
-  DrawFallbackIcon(icon_url, size_to_use, style, &canvas);
-
-  std::vector<unsigned char> bitmap_data;
-  if (!gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, false, &bitmap_data))
-    bitmap_data.clear();
-  return bitmap_data;
-}
-
-void FallbackIconService::DrawFallbackIcon(
-    const GURL& icon_url,
-    int size,
-    const favicon_base::FallbackIconStyle& style,
-    gfx::Canvas* canvas) {
-  const int kOffsetX = 0;
-  const int kOffsetY = 0;
-  cc::PaintFlags flags;
-  flags.setStyle(cc::PaintFlags::kFill_Style);
-  flags.setAntiAlias(true);
-
-  // Draw a filled, colored rounded square.
-  flags.setColor(style.background_color);
-  int corner_radius = static_cast<int>(size * style.roundness * 0.5 + 0.5);
-  canvas->DrawRoundRect(gfx::Rect(kOffsetX, kOffsetY, size, size),
-                        corner_radius, flags);
-
-  // Draw text.
-  base::string16 icon_text = GetFallbackIconText(icon_url);
-  if (icon_text.empty())
-    return;
-  int font_size = static_cast<int>(size * style.font_size_ratio);
-  if (font_size <= 0)
-    return;
-
-  canvas->DrawStringRectWithFlags(
-      icon_text,
-      gfx::FontList(fallback_icon_client_->GetFontNameList(), gfx::Font::NORMAL,
-                    font_size, gfx::Font::Weight::NORMAL),
-      style.text_color, gfx::Rect(kOffsetX, kOffsetY, size, size),
-      gfx::Canvas::TEXT_ALIGN_CENTER);
-}
-
-}  // namespace favicon