1 files changed, 91 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/scroll/scrollbar_theme_mock.cc b/chromium/third_party/blink/renderer/core/scroll/scrollbar_theme_mock.cc
new file mode 100644
index 00000000000..8922c77d531
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+++ b/chromium/third_party/blink/renderer/core/scroll/scrollbar_theme_mock.cc
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2011 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "third_party/blink/renderer/core/scroll/scrollbar_theme_mock.h"
+
+#include "third_party/blink/renderer/core/scroll/scrollbar.h"
+#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
+#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
+#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
+
+namespace blink {
+
+static int g_c_scrollbar_thickness[] = {15, 11};
+
+int ScrollbarThemeMock::ScrollbarThickness(ScrollbarControlSize control_size) {
+  return g_c_scrollbar_thickness[control_size];
+}
+
+bool ScrollbarThemeMock::UsesOverlayScrollbars() const {
+  return RuntimeEnabledFeatures::OverlayScrollbarsEnabled();
+}
+
+IntRect ScrollbarThemeMock::TrackRect(const Scrollbar& scrollbar, bool) {
+  return scrollbar.FrameRect();
+}
+
+void ScrollbarThemeMock::PaintTrackBackground(GraphicsContext& context,
+                                              const Scrollbar& scrollbar,
+                                              const IntRect& track_rect) {
+  if (DrawingRecorder::UseCachedDrawingIfPossible(
+          context, scrollbar, DisplayItem::kScrollbarTrackBackground))
+    return;
+
+  DrawingRecorder recorder(context, scrollbar,
+                           DisplayItem::kScrollbarTrackBackground);
+  context.FillRect(track_rect,
+                   scrollbar.Enabled() ? Color::kLightGray : Color(0xFFE0E0E0));
+}
+
+void ScrollbarThemeMock::PaintThumb(GraphicsContext& context,
+                                    const Scrollbar& scrollbar,
+                                    const IntRect& thumb_rect) {
+  if (!scrollbar.Enabled())
+    return;
+
+  if (DrawingRecorder::UseCachedDrawingIfPossible(context, scrollbar,
+                                                  DisplayItem::kScrollbarThumb))
+    return;
+
+  DrawingRecorder recorder(context, scrollbar, DisplayItem::kScrollbarThumb);
+  context.FillRect(thumb_rect, Color::kDarkGray);
+}
+
+void ScrollbarThemeMock::PaintScrollCorner(GraphicsContext& context,
+                                           const DisplayItemClient& scrollbar,
+                                           const IntRect& corner_rect) {
+  if (DrawingRecorder::UseCachedDrawingIfPossible(
+          context, scrollbar, DisplayItem::kScrollbarCorner))
+    return;
+
+  DrawingRecorder recorder(context, scrollbar, DisplayItem::kScrollbarCorner);
+  context.FillRect(corner_rect, Color::kWhite);
+}
+
+int ScrollbarThemeMock::MinimumThumbLength(const Scrollbar& scrollbar) {
+  return ScrollbarThickness(scrollbar.GetControlSize());
+}
+
+}  // namespace blink