DevTools: allow storing devtools preferences on the browser side.

chrome/browser/devtools/devtools_ui_bindings.cc

 // Copyright 2014 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 "chrome/browser/devtools/devtools_ui_bindings.h"
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
+#include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/devtools/devtools_target_impl.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/prefs/pref_service_syncable.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/chrome_manifest_url_handlers.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
 #include "components/ui/zoom/page_zoom.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_source.h"
@@ skipping 157 matching lines @@
  private:
   ~DefaultBindingsDelegate() override {}
 
   void ActivateWindow() override;
   void CloseWindow() override {}
   void SetInspectedPageBounds(const gfx::Rect& rect) override {}
   void InspectElementCompleted() override {}
   void SetIsDocked(bool is_docked) override {}
   void OpenInNewTab(const std::string& url) override;
   void SetWhitelistedShortcuts(const std::string& message) override {}
+  using DispatchCallback =
+      DevToolsEmbedderMessageDispatcher::Delegate::DispatchCallback;
 
   void InspectedContentsClosing() override;
   void OnLoadCompleted() override {}
   InfoBarService* GetInfoBarService() override;
   void RenderProcessGone(bool crashed) override {}
 
   content::WebContents* web_contents_;
   DISALLOW_COPY_AND_ASSIGN(DefaultBindingsDelegate);
 };
 
@@ skipping 510 matching lines @@
   if (enabled) {
     remote_targets_handler_ = DevToolsTargetsUIHandler::CreateForAdb(
         base::Bind(&DevToolsUIBindings::DevicesUpdated,
                    base::Unretained(this)),
         profile_);
   } else {
     remote_targets_handler_.reset();
   }
 }
 
+void DevToolsUIBindings::GetPreferences(const DispatchCallback& callback) {
+  const DictionaryValue* prefs =
+      profile_->GetPrefs()->GetDictionary(prefs::kDevToolsPreferences);
+  callback.Run(prefs);
+}
+
+void DevToolsUIBindings::SetPreference(const std::string& name,
+                                   const std::string& value) {
+  DictionaryPrefUpdate update(profile_->GetPrefs(),
+                              prefs::kDevToolsPreferences);
+  update.Get()->SetStringWithoutPathExpansion(name, value);
+}
+
+void DevToolsUIBindings::RemovePreference(const std::string& name) {
+  DictionaryPrefUpdate update(profile_->GetPrefs(),
+                              prefs::kDevToolsPreferences);
+  update.Get()->RemoveWithoutPathExpansion(name, nullptr);
+}
+
+void DevToolsUIBindings::ClearPreferences() {
+  DictionaryPrefUpdate update(profile_->GetPrefs(),
+                              prefs::kDevToolsPreferences);
+  update.Get()->Clear();
+}
+
 void DevToolsUIBindings::SendMessageToBrowser(const std::string& message) {
   if (agent_host_.get())
     agent_host_->DispatchProtocolMessage(message);
 }
 
 void DevToolsUIBindings::RecordEnumeratedHistogram(const std::string& name,
                                                    int sample,
                                                    int boundary_value) {
   if (!(boundary_value >= 0 && boundary_value < 100 && sample >= 0 &&
         sample < boundary_value)) {
@@ skipping 271 matching lines @@
   if (frontend_loaded_)
     return;
   frontend_loaded_ = true;
 
   // Call delegate first - it seeds importants bit of information.
   delegate_->OnLoadCompleted();
 
   UpdateTheme();
   AddDevToolsExtensionsToClient();
 }