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

content/renderer/pepper/pepper_plugin_instance_impl.cc

Index: content/renderer/pepper/pepper_plugin_instance_impl.cc
===================================================================
--- content/renderer/pepper/pepper_plugin_instance_impl.cc	(revision 215718)
+++ content/renderer/pepper/pepper_plugin_instance_impl.cc	(working copy)
@@ -419,9 +419,8 @@
   error_.reset(new WebURLError(error));
 }
 
-PepperPluginInstanceImpl::GamepadImpl::GamepadImpl(PepperHelperImpl* helper)
-    : Resource(::ppapi::Resource::Untracked()),
-      helper_(helper) {
+PepperPluginInstanceImpl::GamepadImpl::GamepadImpl()
+    : Resource(::ppapi::Resource::Untracked()) {
 }
 
 PepperPluginInstanceImpl::GamepadImpl::~GamepadImpl() {
@@ -435,7 +434,7 @@
     PP_Instance instance,
     PP_GamepadsSampleData* data) {
   WebKit::WebGamepads webkit_data;
-  helper_->SampleGamepads(&webkit_data);
+  RenderThreadImpl::current()->SampleGamepads(&webkit_data);
   ConvertWebKitGamepadData(
       *reinterpret_cast<const ::ppapi::WebKitGamepads*>(&webkit_data), data);
 }
@@ -474,7 +473,7 @@
       checked_for_plugin_input_event_interface_(false),
       checked_for_plugin_messaging_interface_(false),
       checked_for_plugin_pdf_interface_(false),
-      gamepad_impl_(new GamepadImpl(helper)),
+      gamepad_impl_(new GamepadImpl()),
       plugin_print_interface_(NULL),
       plugin_graphics_3d_interface_(NULL),
       always_on_top_(false),