Gzip compress chrome://accessibility resources

content/browser/webui/web_ui_data_source_impl.cc

 // 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.
 
 #include "content/browser/webui/web_ui_data_source_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "base/bind.h"
+#include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/grit/content_resources.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_client.h"
 #include "ui/base/template_expressions.h"
 #include "ui/base/webui/jstemplate_builder.h"
 #include "ui/base/webui/web_ui_util.h"
@@ skipping 44 matching lines @@
   }
   std::string GetContentSecurityPolicyChildSrc() const override {
     if (parent_->frame_src_set_)
       return parent_->frame_src_;
     return URLDataSource::GetContentSecurityPolicyChildSrc();
   }
   bool ShouldDenyXFrameOptions() const override {
     return parent_->deny_xframe_options_;
   }
   bool IsGzipped(const std::string& path) const override {
-    if (!parent_->json_path_.empty() && path == parent_->json_path_)
-      return false;
-    return parent_->use_gzip_for_all_paths_;
+    return parent_->use_gzip_for_all_paths_ &&
+        parent_->excluded_paths_.find(path) == parent_->excluded_paths_.end();
   }
 
  private:
   WebUIDataSourceImpl* parent_;
 };
 
 WebUIDataSourceImpl::WebUIDataSourceImpl(const std::string& source_name)
     : URLDataSourceImpl(source_name, new InternalDataSource(this)),
       source_name_(source_name),
       default_resource_(-1),
@@ skipping 50 matching lines @@
   // localization. The boolean values are not added to |replacements_|
   // for the same reason, that they are used as flags, rather than string
   // replacements.
 }
 
 void WebUIDataSourceImpl::AddInteger(const std::string& name, int32_t value) {
   localized_strings_.SetInteger(name, value);
 }
 
 void WebUIDataSourceImpl::SetJsonPath(const std::string& path) {
+  DCHECK(json_path_.empty());
+  DCHECK(!path.empty());
+
   json_path_ = path;
+  ExcludePathFromGzip(json_path_);
 }
 
 void WebUIDataSourceImpl::AddResourcePath(const std::string &path,
                                           int resource_id) {
   path_to_idr_map_[path] = resource_id;
 }
 
 void WebUIDataSourceImpl::SetDefaultResource(int resource_id) {
   default_resource_ = resource_id;
 }
 
 void WebUIDataSourceImpl::SetRequestFilter(
     const WebUIDataSource::HandleRequestCallback& callback) {
   filter_callback_ = callback;
 }
 
 void WebUIDataSourceImpl::DisableReplaceExistingSource() {
   replace_existing_source_ = false;
 }
 
+void WebUIDataSourceImpl::ExcludePathFromGzip(const std::string& path) {
+  excluded_paths_.insert(path);
+}
+
 void WebUIDataSourceImpl::DisableContentSecurityPolicy() {
   add_csp_ = false;
 }
 
 void WebUIDataSourceImpl::OverrideContentSecurityPolicyObjectSrc(
     const std::string& data) {
   object_src_set_ = true;
   object_src_ = data;
 }
 
@@ skipping 85 matching lines @@
 }
 
 void WebUIDataSourceImpl::SendLocalizedStringsAsJSON(
     const URLDataSource::GotDataCallback& callback) {
   std::string template_data;
   webui::AppendJsonJS(&localized_strings_, &template_data);
   callback.Run(base::RefCountedString::TakeString(&template_data));
 }
 
 }  // namespace content