Font fallback for UI

content/common/dwrite_text_analysis_source_win.h

Index: content/common/dwrite_text_analysis_source_win.h
diff --git a/content/common/dwrite_text_analysis_source_win.h b/content/common/dwrite_text_analysis_source_win.h
deleted file mode 100644
index 2999e43af771d6a30e06a5e0eeb1a40c347e5f78..0000000000000000000000000000000000000000
--- a/content/common/dwrite_text_analysis_source_win.h
+++ /dev/null
@@ -1,64 +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.
-
-#ifndef CONTENT_COMMON_DWRITE_TEXT_ANALYSIS_SOURCE_WIN_H_
-#define CONTENT_COMMON_DWRITE_TEXT_ANALYSIS_SOURCE_WIN_H_
-
-#include <dwrite.h>
-#include <wrl.h>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "content/common/content_export.h"
-
-namespace content {
-
-// Implements an IDWriteTextAnalysisSource, describing a single pre-defined
-// chunk of text with a uniform locale, reading direction, and number
-// substitution.
-class CONTENT_EXPORT TextAnalysisSource
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteTextAnalysisSource> {
- public:
-  TextAnalysisSource();
-
-  // IDWriteTextAnalysisSource:
-  HRESULT STDMETHODCALLTYPE GetLocaleName(UINT32 text_position,
-                                          UINT32* text_length,
-                                          const WCHAR** locale_name) override;
-  HRESULT STDMETHODCALLTYPE GetNumberSubstitution(
-      UINT32 text_position,
-      UINT32* text_length,
-      IDWriteNumberSubstitution** number_substitution) override;
-  DWRITE_READING_DIRECTION STDMETHODCALLTYPE
-  GetParagraphReadingDirection() override;
-  HRESULT STDMETHODCALLTYPE GetTextAtPosition(UINT32 text_position,
-                                              const WCHAR** text_string,
-                                              UINT32* text_length) override;
-  HRESULT STDMETHODCALLTYPE GetTextBeforePosition(UINT32 text_position,
-                                                  const WCHAR** text_string,
-                                                  UINT32* text_length) override;
-
-  HRESULT STDMETHODCALLTYPE
-  RuntimeClassInitialize(const base::string16& text,
-                         const base::string16& locale_name,
-                         IDWriteNumberSubstitution* number_substitution,
-                         DWRITE_READING_DIRECTION reading_direction);
-
- protected:
-  ~TextAnalysisSource() override;
-
- private:
-  base::string16 text_;
-  base::string16 locale_name_;
-  Microsoft::WRL::ComPtr<IDWriteNumberSubstitution> number_substitution_;
-  DWRITE_READING_DIRECTION reading_direction_;
-
-  DISALLOW_ASSIGN(TextAnalysisSource);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_DWRITE_TEXT_ANALYSIS_SOURCE_WIN_H_