Pepper gamepad support

webkit/plugins/ppapi/ppapi_plugin_instance.cc

Index: webkit/plugins/ppapi/ppapi_plugin_instance.cc
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.cc b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
index c5c52ce97211af179508da09e0b22b5bb5fe4db9..8128678eb9c7b5b35718d2db57835b738978e958 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.cc
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
@@ -14,6 +14,7 @@
 #include "base/utf_string_conversions.h"
 #include "ppapi/c/dev/ppb_console_dev.h"
 #include "ppapi/c/dev/ppb_find_dev.h"
+#include "ppapi/c/dev/ppb_gamepad_dev.h"
 #include "ppapi/c/dev/ppb_zoom_dev.h"
 #include "ppapi/c/dev/ppp_find_dev.h"
 #include "ppapi/c/dev/ppp_selection_dev.h"
@@ -45,6 +46,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGamepads.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
@@ -1300,6 +1302,11 @@ int32_t PluginInstance::Navigate(PPB_URLRequestInfo_Impl* request,
   return PP_OK;
 }
 
+void PluginInstance::SampleGamepads(PP_Instance instance,
+                                    PP_GamepadsData_Dev* data) {
+  delegate()->SampleGamepads(reinterpret_cast<WebKit::WebGamepads*>(data));

[brettw, 2012/01/05 22:50:04]

We should have some compiler asserts about the size of the structs and the
offsets of the elements inside so we know if this is no longer a valid
conversion. You can see at the top of this file there are already a bunch of
compile asserts.

[scottmg, 2012/01/06 00:54:21]

Done. Had to be DCHECK per comments & irc.

+}
+
 bool PluginInstance::IsViewAccelerated() {
   if (!container_)
     return false;