Font fallback for UI

content/common/dwrite_text_analysis_source_win.cc

Index: content/common/dwrite_text_analysis_source_win.cc
diff --git a/content/common/dwrite_text_analysis_source_win.cc b/content/common/dwrite_text_analysis_source_win.cc
deleted file mode 100644
index 19c6c54f5996b5ef618ed76dd92ee5857c338a5f..0000000000000000000000000000000000000000
--- a/content/common/dwrite_text_analysis_source_win.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-// 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 "content/common/dwrite_text_analysis_source_win.h"
-
-#include "base/logging.h"
-
-namespace content {
-
-TextAnalysisSource::TextAnalysisSource() = default;
-TextAnalysisSource::~TextAnalysisSource() = default;
-
-HRESULT TextAnalysisSource::GetLocaleName(UINT32 text_position,
-                                          UINT32* text_length,
-                                          const WCHAR** locale_name) {
-  if (text_position >= text_.length() || !text_length || !locale_name)
-    return E_INVALIDARG;
-  *text_length = text_.length() - text_position;
-  *locale_name = locale_name_.c_str();
-  return S_OK;
-}
-
-HRESULT TextAnalysisSource::GetNumberSubstitution(
-    UINT32 text_position,
-    UINT32* text_length,
-    IDWriteNumberSubstitution** number_substitution) {
-  if (text_position >= text_.length() || !text_length || !number_substitution)
-    return E_INVALIDARG;
-  *text_length = text_.length() - text_position;
-  number_substitution_.CopyTo(number_substitution);
-  return S_OK;
-}
-
-DWRITE_READING_DIRECTION TextAnalysisSource::GetParagraphReadingDirection() {
-  return reading_direction_;
-}
-
-HRESULT TextAnalysisSource::GetTextAtPosition(UINT32 text_position,
-                                              const WCHAR** text_string,
-                                              UINT32* text_length) {
-  if (!text_length || !text_string)
-    return E_INVALIDARG;
-  if (text_position >= text_.length()) {
-    *text_string = nullptr;
-    *text_length = 0;
-    return S_OK;
-  }
-  *text_string = text_.c_str() + text_position;
-  *text_length = text_.length() - text_position;
-  return S_OK;
-}
-
-HRESULT TextAnalysisSource::GetTextBeforePosition(UINT32 text_position,
-                                                  const WCHAR** text_string,
-                                                  UINT32* text_length) {
-  if (!text_length || !text_string)
-    return E_INVALIDARG;
-  if (text_position < 1 || text_position > text_.length()) {
-    *text_string = nullptr;
-    *text_length = 0;
-    return S_OK;
-  }
-  *text_string = text_.c_str();
-  *text_length = text_position;
-  return S_OK;
-}
-
-HRESULT TextAnalysisSource::RuntimeClassInitialize(
-    const base::string16& text,
-    const base::string16& locale_name,
-    IDWriteNumberSubstitution* number_substitution,
-    DWRITE_READING_DIRECTION reading_direction) {
-  DCHECK(number_substitution);
-  text_ = text;
-  locale_name_ = locale_name;
-  number_substitution_ = number_substitution;
-  reading_direction_ = reading_direction;
-  return S_OK;
-}
-
-}  // namespace content