Change the way that gzipped resources are loaded from resources.pak

ui/base/resource/resource_bundle.h

 // Copyright (c) 2012 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 UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #define UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 32 matching lines @@
 // such as theme graphics. Every resource is loaded only once.
 class UI_BASE_EXPORT ResourceBundle {
  public:
   // Legacy font size deltas. Consider these to be magic numbers. New code
   // should declare their own size delta constant using an identifier that
   // imparts some semantic meaning.
   static const int kSmallFontDelta = -1;
   static const int kMediumFontDelta = 3;
   static const int kLargeFontDelta = 8;
 
-  static constexpr const char* CUSTOM_GZIP_HEADER = "\xff\x1f\x8b";
-
   // Legacy font style mappings. TODO(tapted): Phase these out in favour of
   // client code providing their own constant with the desired font size delta.
   enum FontStyle {
     SmallFont,
     BaseFont,
     BoldFont,
     MediumFont,
     MediumBoldFont,
     LargeFont,
   };
@@ skipping 287 matching lines @@
 
   // Fills the |bitmap| given the |resource_id| and |scale_factor|.
   // Returns false if the resource does not exist. This may fall back to
   // the data pack with SCALE_FACTOR_NONE, and when this happens,
   // |scale_factor| will be set to SCALE_FACTOR_100P.
   bool LoadBitmap(int resource_id,
                   ScaleFactor* scale_factor,
                   SkBitmap* bitmap,
                   bool* fell_back_to_1x) const;
 
-  // Loads the raw bytes of a data resource nearest the scale factor
-  // |scale_factor| into |bytes|, without doing any processing or
-  // interpretation of the resource. Use ResourceHandle::SCALE_FACTOR_NONE
-  // for scale independent image resources (such as wallpaper).
-  // Returns NULL if we fail to read the resource.
-  base::StringPiece GetRawDataResourceForScaleImpl(
-      int resource_id,
-      ScaleFactor scale_factor) const;
-
   // Returns true if missing scaled resources should be visually indicated when
   // drawing the fallback (e.g., by tinting the image).
   static bool ShouldHighlightMissingScaledResources();
 
   // Returns true if the data in |buf| is a PNG that has the special marker
   // added by GRIT that indicates that the image is actually 1x data.
   static bool PNGContainsFallbackMarker(const unsigned char* buf, size_t size);
 
   // A wrapper for PNGCodec::Decode that returns information about custom
   // chunks. For security reasons we can't alter PNGCodec to return this
@@ skipping 48 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ResourceBundle);
 };
 
 }  // namespace ui
 
 // TODO(beng): Someday, maybe, get rid of this.
 using ui::ResourceBundle;
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_