Centralize ScreenOrientationProvider logic, add platform delegates

content/browser/browser_main_loop.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/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 60 matching lines @@
 
 #if !defined(OS_IOS)
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "content/browser/android/browser_startup_controller.h"
 #include "content/browser/android/surface_texture_peer_browser_impl.h"
 #include "content/browser/android/tracing_controller_android.h"
+#include "content/browser/screen_orientation/screen_orientation_delegate_android.h"
+#include "content/public/browser/screen_orientation_provider.h"
 #include "ui/gl/gl_surface.h"
 #endif
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "content/browser/bootstrap_sandbox_mac.h"
 #include "content/browser/cocoa/system_hotkey_helper_mac.h"
 #include "content/browser/theme_helper_mac.h"
 #endif
 
 #if defined(OS_WIN)
@@ skipping 442 matching lines @@
     TRACE_EVENT0("startup", "BrowserMainLoop::InitStartupTracing");
     InitStartupTracing(parsed_command_line_);
   }
 #endif  // !defined(OS_IOS)
 
 #if defined(OS_ANDROID)
   {
     TRACE_EVENT0("startup", "BrowserMainLoop::Subsystem:SurfaceTexturePeer");
     SurfaceTexturePeer::InitInstance(new SurfaceTexturePeerBrowserImpl());
   }
+
+  {
+    TRACE_EVENT0("startup",
+                 "BrowserMainLoop::Subsystem:ScreenOrientationProvider");
+    screen_orientation_delegate_.reset(
+        new ScreenOrientationDelegateAndroid());
+    ScreenOrientationProvider::SetDelegate(screen_orientation_delegate_.get());
+  }
 #endif
 
   if (parsed_command_line_.HasSwitch(switches::kMemoryMetrics)) {
     TRACE_EVENT0("startup", "BrowserMainLoop::Subsystem:MemoryObserver");
     memory_observer_.reset(new MemoryObserver());
     base::MessageLoop::current()->AddTaskObserver(memory_observer_.get());
   }
 
 #if defined(TCMALLOC_TRACE_MEMORY_SUPPORTED)
   trace_memory_controller_.reset(new base::debug::TraceMemoryController(
@@ skipping 644 matching lines @@
 
 void BrowserMainLoop::EndStartupTracing() {
   is_tracing_startup_ = false;
   TracingController::GetInstance()->DisableRecording(
       TracingController::CreateFileSink(
           startup_trace_file_,
           base::Bind(OnStoppedStartupTracing, startup_trace_file_)));
 }
 
 }  // namespace content