Don't subtract border from max size for display rect.

ui/gfx/test/render_text_test_api.cc

+// Copyright 2016 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 "ui/gfx/test/render_text_test_api.h"
+
+#include "ui/gfx/render_text.h"
+#include "ui/gfx/render_text_harfbuzz.h"
+
+namespace gfx {
+namespace test {
+
+// static
+SkPaint& RenderTextTestApi::GetRendererPaint(
+    internal::SkiaTextRenderer* renderer) {
+  return renderer->paint_;
+}
+
+internal::TextRunList* RenderTextTestApi::GetHarfBuzzRunList() {
+  RenderTextHarfBuzz* render_text =
+      static_cast<RenderTextHarfBuzz*>(render_text_);
+  return render_text->GetRunList();
+}
+
+void RenderTextTestApi::DrawVisualText(internal::SkiaTextRenderer* renderer) {
+  render_text_->EnsureLayout();
+  render_text_->DrawVisualText(renderer);
+}
+
+SelectionModel RenderTextTestApi::EdgeSelectionModel(
+    VisualCursorDirection direction) {
+  return render_text_->EdgeSelectionModel(direction);
+}
+
+size_t RenderTextTestApi::TextIndexToDisplayIndex(size_t index) {
+  return render_text_->TextIndexToDisplayIndex(index);
+}
+
+size_t RenderTextTestApi::DisplayIndexToTextIndex(size_t index) {
+  return render_text_->DisplayIndexToTextIndex(index);
+}
+
+void RenderTextTestApi::EnsureLayout() {
+  render_text_->EnsureLayout();
+}
+
+Vector2d RenderTextTestApi::GetAlignmentOffset(size_t line_number) {
+  return render_text_->GetAlignmentOffset(line_number);
+}
+
+}  // namespace test
+}  // namespace gfx