Remove pre-MD infobar code (on Views).

chrome/browser/ui/views/infobars/infobar_background.cc

Index: chrome/browser/ui/views/infobars/infobar_background.cc
diff --git a/chrome/browser/ui/views/infobars/infobar_background.cc b/chrome/browser/ui/views/infobars/infobar_background.cc
index 5e62559bd3b8aa757c3b9f5c5fa5cc70157511ed..4e53fd9ab825c2dea0597c583dbc6214aa04f01f 100644
--- a/chrome/browser/ui/views/infobars/infobar_background.cc
+++ b/chrome/browser/ui/views/infobars/infobar_background.cc
@@ -7,67 +7,20 @@
 #include "chrome/browser/ui/infobar_container_delegate.h"
 #include "chrome/browser/ui/views/infobars/infobar_view.h"
 #include "components/infobars/core/infobar.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/canvas.h"
-#include "ui/gfx/color_utils.h"
 #include "ui/gfx/scoped_canvas.h"
 #include "ui/views/view.h"
 
 InfoBarBackground::InfoBarBackground(
-    infobars::InfoBarDelegate::Type infobar_type)
-    : top_color_(infobars::InfoBar::GetTopColor(infobar_type)),
-      bottom_color_(infobars::InfoBar::GetBottomColor(infobar_type)) {
-  SetNativeControlColor(
-      color_utils::AlphaBlend(top_color_, bottom_color_, 128));
+    infobars::InfoBarDelegate::Type infobar_type) {
+  SetNativeControlColor(infobars::InfoBar::GetTopColor(infobar_type));
 }
 
 InfoBarBackground::~InfoBarBackground() {
 }
 
 void InfoBarBackground::Paint(gfx::Canvas* canvas, views::View* view) const {
-  if (ui::MaterialDesignController::IsModeMaterial()) {
-    PaintMd(canvas, view);
-    return;
-  }
-
-  SkPoint gradient_points[2];
-  gradient_points[0].iset(0, 0);
-  gradient_points[1].iset(0, view->height());
-  SkColor gradient_colors[2] = {top_color_, bottom_color_};
-  SkPaint paint;
-  paint.setStrokeWidth(
-      SkIntToScalar(InfoBarContainerDelegate::kSeparatorLineHeight));
-  paint.setStyle(SkPaint::kFill_Style);
-  paint.setStrokeCap(SkPaint::kRound_Cap);
-  paint.setShader(SkGradientShader::MakeLinear(
-      gradient_points, gradient_colors, nullptr, 2, SkShader::kClamp_TileMode));
-
-  SkCanvas* canvas_skia = canvas->sk_canvas();
-  InfoBarView* infobar = static_cast<InfoBarView*>(view);
-  canvas_skia->drawPath(infobar->fill_path(), paint);
-
-  paint.setShader(nullptr);
-  SkColor separator_color =
-      infobar->container_delegate()->GetInfoBarSeparatorColor();
-  paint.setColor(SkColorSetA(separator_color, SkColorGetA(gradient_colors[0])));
-  paint.setStyle(SkPaint::kStroke_Style);
-  // Anti-alias the path so it doesn't look goofy when the edges are not at 45
-  // degree angles, but don't anti-alias anything else, especially not the fill,
-  // lest we get weird color bleeding problems.
-  paint.setAntiAlias(true);
-  canvas_skia->drawPath(infobar->stroke_path(), paint);
-  paint.setAntiAlias(false);
-
-  // Now draw the separator at the bottom.
-  canvas->FillRect(
-      gfx::Rect(0,
-                view->height() - InfoBarContainerDelegate::kSeparatorLineHeight,
-                view->width(), InfoBarContainerDelegate::kSeparatorLineHeight),
-      separator_color);
-}
-
-void InfoBarBackground::PaintMd(gfx::Canvas* canvas, views::View* view) const {
   InfoBarView* infobar = static_cast<InfoBarView*>(view);
   const infobars::InfoBarContainer::Delegate* delegate =
       infobar->container_delegate();
@@ -112,7 +65,7 @@ void InfoBarBackground::PaintMd(gfx::Canvas* canvas, views::View* view) const {
   fill_path.addRect(0, arrow_height, infobar_width, scale(infobar->height()));
   SkPaint fill;
   fill.setStyle(SkPaint::kFill_Style);
-  fill.setColor(top_color_);
+  fill.setColor(get_color());
   canvas->DrawPath(fill_path, fill);
 
   SkPaint stroke;