Move ProfileKeyedAPI implementations to take BrowserContext in the constructor (part 1).

chrome/browser/extensions/api/braille_display_private/braille_display_private_api.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/braille_display_private/braille_display_private_api.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 21 matching lines @@
   virtual ~DefaultEventDelegate();
 
   virtual void BroadcastEvent(scoped_ptr<Event> event) OVERRIDE;
   virtual bool HasListener() OVERRIDE;
 
  private:
   EventRouter::Observer* observer_;
   Profile* profile_;
 };
 
-BrailleDisplayPrivateAPI::BrailleDisplayPrivateAPI(Profile* profile)
-    : profile_(profile), scoped_observer_(this),
-      event_delegate_(new DefaultEventDelegate(this, profile_)) {
-}
+BrailleDisplayPrivateAPI::BrailleDisplayPrivateAPI(
+    content::BrowserContext* context)
+    : profile_(Profile::FromBrowserContext(context)),
+      scoped_observer_(this),
+      event_delegate_(new DefaultEventDelegate(this, profile_)) {}
 
 BrailleDisplayPrivateAPI::~BrailleDisplayPrivateAPI() {
 }
 
 void BrailleDisplayPrivateAPI::Shutdown() {
 }
 
 static base::LazyInstance<ProfileKeyedAPIFactory<BrailleDisplayPrivateAPI> >
 g_factory = LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 114 matching lines @@
 
 void BrailleDisplayPrivateWriteDotsFunction::Work() {
   BrailleController::GetInstance()->WriteDots(params_->cells);
 }
 
 bool BrailleDisplayPrivateWriteDotsFunction::Respond() {
   return true;
 }
 }  // namespace api
 }  // namespace extensions