Move gamepad reader code out of PepperHelperImpl in the effort to eliminate PepperHelperImpl. I'm a…

content/renderer/renderer_webkitplatformsupport_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/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/memory/shared_memory.h"
@@ skipping 876 matching lines @@
   // thread_safe_sender_ can be NULL when running some tests.
   if (!blob_registry_.get() && thread_safe_sender_.get())
     blob_registry_.reset(new WebBlobRegistryImpl(thread_safe_sender_.get()));
   return blob_registry_.get();
 }
 
 //------------------------------------------------------------------------------
 
 void RendererWebKitPlatformSupportImpl::sampleGamepads(WebGamepads& gamepads) {
   if (g_test_gamepads == 0) {
-    if (!gamepad_shared_memory_reader_)
-      gamepad_shared_memory_reader_.reset(new GamepadSharedMemoryReader);
-    gamepad_shared_memory_reader_->SampleGamepads(gamepads);
+    RenderThreadImpl::current()->SampleGamepads(&gamepads);
   } else {
     gamepads = g_test_gamepads.Get();
-    return;
   }
 }
 
 WebKit::WebString RendererWebKitPlatformSupportImpl::userAgent(
     const WebKit::WebURL& url) {
   return WebKitPlatformSupportImpl::userAgent(url);
 }
 
 //------------------------------------------------------------------------------
 
@@ skipping 179 matching lines @@
     return;
   QuotaDispatcher::ThreadSpecificInstance(
       thread_safe_sender_.get(),
       quota_message_filter_.get())->QueryStorageUsageAndQuota(
           storage_partition,
           static_cast<quota::StorageType>(type),
           QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
 }
 
 }  // namespace content