Revert "Create direct write font proxy classes and unit tests."

content/child/dwrite_font_proxy/dwrite_font_proxy_win.h

Index: content/child/dwrite_font_proxy/dwrite_font_proxy_win.h
diff --git a/content/child/dwrite_font_proxy/dwrite_font_proxy_win.h b/content/child/dwrite_font_proxy/dwrite_font_proxy_win.h
deleted file mode 100644
index bdee58f8d76b96105851abf231feea11cd7c9eac..0000000000000000000000000000000000000000
--- a/content/child/dwrite_font_proxy/dwrite_font_proxy_win.h
+++ /dev/null
@@ -1,202 +0,0 @@
-// Copyright 2015 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_CHILD_DWRITE_FONT_PROXY_DWRITE_FONT_PROXY_WIN_H_
-#define CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_FONT_PROXY_WIN_H_
-
-#include <dwrite.h>
-#include <wrl.h>
-
-#include <map>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/files/memory_mapped_file.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "content/common/content_export.h"
-
-namespace IPC {
-class Sender;
-}
-
-namespace content {
-
-class DWriteFontFamilyProxy;
-
-// Implements a DirectWrite font collection that uses IPC to the browser to do
-// font enumeration. If a matching family is found, it will be loaded locally
-// into a custom font collection.
-// This is needed because the sandbox interferes with DirectWrite's
-// communication with the system font service.
-class CONTENT_EXPORT DWriteFontCollectionProxy
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteFontCollection,
-          IDWriteFontCollectionLoader,
-          IDWriteFontFileLoader> {
- public:
-  DWriteFontCollectionProxy();
-  ~DWriteFontCollectionProxy() override;
-
-  // IDWriteFontCollection:
-  HRESULT STDMETHODCALLTYPE FindFamilyName(const WCHAR* family_name,
-                                           UINT32* index,
-                                           BOOL* exists) override;
-  HRESULT STDMETHODCALLTYPE
-  GetFontFamily(UINT32 index, IDWriteFontFamily** font_family) override;
-  UINT32 STDMETHODCALLTYPE GetFontFamilyCount() override;
-  HRESULT STDMETHODCALLTYPE GetFontFromFontFace(IDWriteFontFace* font_face,
-                                                IDWriteFont** font) override;
-
-  // IDWriteFontCollectionLoader:
-  HRESULT STDMETHODCALLTYPE CreateEnumeratorFromKey(
-      IDWriteFactory* factory,
-      const void* collection_key,
-      UINT32 collection_key_size,
-      IDWriteFontFileEnumerator** font_file_enumerator) override;
-
-  // IDWriteFontFileLoader:
-  HRESULT STDMETHODCALLTYPE
-  CreateStreamFromKey(const void* font_file_reference_key,
-                      UINT32 font_file_reference_key_size,
-                      IDWriteFontFileStream** font_file_stream) override;
-
-  HRESULT STDMETHODCALLTYPE
-  RuntimeClassInitialize(IDWriteFactory* factory,
-                         const base::Callback<IPC::Sender*(void)>& sender);
-
-  void Unregister();
-
-  bool LoadFamily(UINT32 family_index,
-                  IDWriteFontCollection** containing_collection);
-
-  bool LoadFamilyNames(UINT32 family_index, IDWriteLocalizedStrings** strings);
-
-  bool CreateFamily(UINT32 family_index);
-
- private:
-  Microsoft::WRL::ComPtr<IDWriteFactory> factory_;
-  std::vector<Microsoft::WRL::ComPtr<DWriteFontFamilyProxy>> families_;
-  std::map<base::string16, UINT32> family_names_;
-  UINT32 family_count_ = UINT_MAX;
-  base::Callback<IPC::Sender*(void)> sender_;
-
-  DISALLOW_ASSIGN(DWriteFontCollectionProxy);
-};
-
-// Implements the DirectWrite font family interface. This class is just a
-// stub, until something calls a method that requires actual font data. At that
-// point this will load the font files into a custom collection and
-// subsequently calls will be proxied to the resulting DirectWrite object.
-class CONTENT_EXPORT DWriteFontFamilyProxy
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteFontFamily> {
- public:
-  DWriteFontFamilyProxy();
-  ~DWriteFontFamilyProxy() override;
-
-  // IDWriteFontFamily:
-  HRESULT STDMETHODCALLTYPE
-  GetFontCollection(IDWriteFontCollection** font_collection) override;
-  UINT32 STDMETHODCALLTYPE GetFontCount() override;
-  HRESULT STDMETHODCALLTYPE GetFont(UINT32 index, IDWriteFont** font) override;
-  HRESULT STDMETHODCALLTYPE
-  GetFamilyNames(IDWriteLocalizedStrings** names) override;
-  HRESULT STDMETHODCALLTYPE
-  GetFirstMatchingFont(DWRITE_FONT_WEIGHT weight,
-                       DWRITE_FONT_STRETCH stretch,
-                       DWRITE_FONT_STYLE style,
-                       IDWriteFont** matching_font) override;
-  HRESULT STDMETHODCALLTYPE
-  GetMatchingFonts(DWRITE_FONT_WEIGHT weight,
-                   DWRITE_FONT_STRETCH stretch,
-                   DWRITE_FONT_STYLE style,
-                   IDWriteFontList** matching_fonts) override;
-
-  HRESULT STDMETHODCALLTYPE
-  RuntimeClassInitialize(DWriteFontCollectionProxy* collection, UINT32 index);
-
-  bool GetFontFromFontFace(IDWriteFontFace* font_face, IDWriteFont** font);
-
-  void SetName(const base::string16& family_name);
-
-  bool IsLoaded();
-
- protected:
-  bool LoadFamily();
-
- private:
-  UINT32 family_index_;
-  base::string16 family_name_;
-  Microsoft::WRL::ComPtr<DWriteFontCollectionProxy> proxy_collection_;
-  Microsoft::WRL::ComPtr<IDWriteFontFamily> family_;
-  Microsoft::WRL::ComPtr<IDWriteLocalizedStrings> family_names_;
-
-  DISALLOW_ASSIGN(DWriteFontFamilyProxy);
-};
-
-// Implements the DirectWrite font file enumerator interface, backed by a list
-// of font files.
-class CONTENT_EXPORT FontFileEnumerator
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteFontFileEnumerator> {
- public:
-  FontFileEnumerator();
-  ~FontFileEnumerator() override;
-
-  // IDWriteFontFileEnumerator:
-  HRESULT STDMETHODCALLTYPE GetCurrentFontFile(IDWriteFontFile** file) override;
-  HRESULT STDMETHODCALLTYPE MoveNext(BOOL* has_current_file) override;
-
-  HRESULT STDMETHODCALLTYPE
-  RuntimeClassInitialize(IDWriteFactory* factory,
-                         IDWriteFontFileLoader* loader,
-                         std::vector<base::string16>* file_names);
-
- private:
-  Microsoft::WRL::ComPtr<IDWriteFactory> factory_;
-  Microsoft::WRL::ComPtr<IDWriteFontFileLoader> loader_;
-  std::vector<base::string16> file_names_;
-  std::vector<Microsoft::WRL::ComPtr<IDWriteFontFileStream>> file_streams_;
-  UINT32 next_file_ = 0;
-  UINT32 current_file_ = UINT_MAX;
-
-  DISALLOW_ASSIGN(FontFileEnumerator);
-};
-
-// Implements the DirectWrite font file stream interface that maps the file to
-// be loaded as a memory mapped file, and subsequently returns pointers into
-// the mapped memory block.
-// TODO(kulshin): confirm that using custom streams is actually an improvement
-class CONTENT_EXPORT FontFileStream
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteFontFileStream> {
- public:
-  FontFileStream();
-  ~FontFileStream() override;
-
-  // IDWriteFontFileStream:
-  HRESULT STDMETHODCALLTYPE GetFileSize(UINT64* file_size) override;
-  HRESULT STDMETHODCALLTYPE GetLastWriteTime(UINT64* last_write_time) override;
-  HRESULT STDMETHODCALLTYPE ReadFileFragment(const void** fragment_start,
-                                             UINT64 file_offset,
-                                             UINT64 fragment_size,
-                                             void** fragment_context) override;
-  void STDMETHODCALLTYPE ReleaseFileFragment(void* fragment_context) override {}
-
-  HRESULT STDMETHODCALLTYPE
-  RuntimeClassInitialize(const base::string16& file_name);
-
- private:
-  base::MemoryMappedFile data_;
-
-  DISALLOW_ASSIGN(FontFileStream);
-};
-
-}  // namespace content
-#endif  // CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_FONT_PROXY_WIN_H_