[Icons NTP] Refactoring: Moving FallbackIconService to components\favicon\core

components/favicon/core/fallback_icon_service.cc

 // 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_base/fallback_icon_service.h"
+#include "components/favicon/core/fallback_icon_service.h"
 
 #include <algorithm>
 
 #include "base/i18n/case_conversion.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/favicon_base/fallback_icon_style.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.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_base {
-
 namespace {
 
 // Arbitrary maximum icon size, can be reasonably increased if needed.
 const int kMaxFallbackFaviconSize = 288;
 
 // Returns a single character to represent a page URL. To do this we take the
 // first letter in a domain's name and make it upper case.
 // TODO(huangs): Handle non-ASCII ("xn--") domain names.
 base::string16 GetFallbackIconText(const GURL& url) {
   std::string domain = net::registry_controlled_domains::GetDomainAndRegistry(
         url, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
   return domain.empty() ? base::string16() :
       base::i18n::ToUpper(base::ASCIIToUTF16(domain.substr(0, 1)));
 }
 
 }  // namespace
 
 FallbackIconService::FallbackIconService(
     const std::vector<std::string>& font_list)
   : font_list_(font_list) {
 }
 
 FallbackIconService::~FallbackIconService() {
 }
 
 std::vector<unsigned char> FallbackIconService::RenderFallbackIconBitmap(
     const GURL& icon_url,
     int size,
-    const FallbackIconStyle& style) {
+    const favicon_base::FallbackIconStyle& style) {
   int size_to_use = std::min(kMaxFallbackFaviconSize, size);
   gfx::Canvas canvas(gfx::Size(size_to_use, size_to_use), 1.0f, false);
   DrawFallbackIcon(icon_url, size_to_use, style, &canvas);
 
   std::vector<unsigned char> bitmap_data;
   if (!gfx::PNGCodec::EncodeBGRASkBitmap(canvas.ExtractImageRep().sk_bitmap(),
                                          false, &bitmap_data)) {
     bitmap_data.clear();
   }
   return bitmap_data;
 }
 
-void FallbackIconService::DrawFallbackIcon(const GURL& icon_url,
-                                           int size,
-                                           const FallbackIconStyle& style,
-                                           gfx::Canvas* canvas) {
+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;
   SkPaint paint;
   paint.setStyle(SkPaint::kFill_Style);
   paint.setAntiAlias(true);
 
   // Draw a filled, colored rounded square.
   paint.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, paint);
 
   // 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;
 
   // TODO(huangs): See how expensive gfx::FontList() is, and possibly cache.
   canvas->DrawStringRectWithFlags(
       icon_text,
       gfx::FontList(font_list_, gfx::Font::NORMAL, font_size),
       style.text_color,
       gfx::Rect(kOffsetX, kOffsetY, size, size),
       gfx::Canvas::TEXT_ALIGN_CENTER);
 }
-
-}  // namespace favicon_base