Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

chrome/browser/views/sad_tab_view.cc

 // Copyright (c) 2006-2008 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 "chrome/browser/views/sad_tab_view.h"
 
 #include "base/gfx/size.h"
 #include "chrome/app/theme/theme_resources.h"
 #include "chrome/common/gfx/chrome_canvas.h"
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/resource_bundle.h"
 #include "generated_resources.h"
+#include "skia/ext/skia_utils.h"
 #include "skia/include/SkGradientShader.h"
 
 static const int kSadTabOffset = -64;
 static const int kIconTitleSpacing = 20;
 static const int kTitleMessageSpacing = 15;
 static const int kMessageBottomMargin = 20;
 static const float kMessageSize = 0.65f;
 static const SkColor kTitleColor = SK_ColorWHITE;
 static const SkColor kMessageColor = SK_ColorWHITE;
 static const SkColor kBackgroundColor = SkColorSetRGB(35, 48, 64);
 static const SkColor kBackgroundEndColor = SkColorSetRGB(35, 48, 64);
 
 // static
 SkBitmap* SadTabView::sad_tab_bitmap_ = NULL;
 ChromeFont SadTabView::title_font_;
 ChromeFont SadTabView::message_font_;
 std::wstring SadTabView::title_;
 std::wstring SadTabView::message_;
 int SadTabView::title_width_;
 
 SadTabView::SadTabView() {
   InitClass();
 }
 
-static SkShader* CreateGradientShader(int end_point) {
-  SkColor grad_colors[2] = { kBackgroundColor, kBackgroundEndColor };
-  SkPoint grad_points[2];
-  grad_points[0].set(SkIntToScalar(0), SkIntToScalar(0));
-  grad_points[1].set(SkIntToScalar(0), SkIntToScalar(end_point));
-  return SkGradientShader::CreateLinear(
-      grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode);
-}
-
 void SadTabView::Paint(ChromeCanvas* canvas) {
-  SkShader* background_shader = CreateGradientShader(height());
+  SkShader* background_shader = skia::CreateGradientShader(
+      0, height(), kBackgroundColor, kBackgroundEndColor);
   SkPaint paint;
   paint.setShader(background_shader);
   background_shader->unref();
   paint.setStyle(SkPaint::kFill_Style);
   canvas->drawRectCoords(0, 0,
                          SkIntToScalar(width()), SkIntToScalar(height()),
                          paint);
 
   canvas->DrawBitmapInt(*sad_tab_bitmap_, icon_bounds_.x(), icon_bounds_.y());
 
@@ skipping 42 matching lines @@
 
     title_ = l10n_util::GetString(IDS_SAD_TAB_TITLE);
     title_width_ = title_font_.GetStringWidth(title_);
     message_ = l10n_util::GetString(IDS_SAD_TAB_MESSAGE);
 
     initialized = true;
   }
 }