Make DisplayInfoProvider an interface

chrome/browser/extensions/display_info_provider_impl_chromeos.cc

 // Copyright 2013 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/extensions/api/system_display/display_info_provider.h"
+#include "chrome/browser/extensions/display_info_provider_impl.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/string_number_conversions.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 
@@ skipping 330 matching lines @@
                          new_bounds_origin.y() - target.bounds().y());
     UpdateDisplayLayout(primary.bounds(), primary.id(),
                         target_bounds, target.id());
   }
 
   return true;
 }
 
 }  // namespace
 
-bool DisplayInfoProvider::SetInfo(const std::string& display_id,
+bool DisplayInfoProviderImpl::SetInfo(const std::string& display_id,
                                   const DisplayProperties& info,

[James Cook, 2014/08/15 19:58:42]

please run "git cl format" on patches -- it'll fix indentation like this

                                   std::string* error) {
   return SetInfoImpl(display_id, info, error);
 }
 
-void DisplayInfoProvider::UpdateDisplayUnitInfoForPlatform(
+void DisplayInfoProviderImpl::UpdateDisplayUnitInfoForPlatform(
     const gfx::Display& display,
     extensions::api::system_display::DisplayUnitInfo* unit) {
 
   ash::DisplayManager* display_manager =
       ash::Shell::GetInstance()->display_manager();
   unit->name = display_manager->GetDisplayNameForId(display.id());
   if (display_manager->IsMirrored()) {
     unit->mirroring_source_id =
         base::Int64ToString(display_manager->mirrored_display_id());
   }
 
   const float dpi = display.device_scale_factor() * kDpi96;
   unit->dpi_x = dpi;
   unit->dpi_y = dpi;
 
   const gfx::Insets overscan_insets =
       display_manager->GetOverscanInsets(display.id());
   unit->overscan.left = overscan_insets.left();
   unit->overscan.top = overscan_insets.top();
   unit->overscan.right = overscan_insets.right();
   unit->overscan.bottom = overscan_insets.bottom();
 }
 
 }  // namespace extensions