IPC_SYNC_MESSAGE_CONTROL4_1 421 chrome/common/render_messages.h IPC_SYNC_MESSAGE_CONTROL4_1(ChromeViewHostMsg_AllowDOMStorage, IPC_SYNC_MESSAGE_CONTROL4_1 438 chrome/common/render_messages.h IPC_SYNC_MESSAGE_CONTROL4_1(ChromeViewHostMsg_AllowIndexedDB, IPC_SYNC_MESSAGE_CONTROL4_1 449 chrome/common/render_messages.h IPC_SYNC_MESSAGE_CONTROL4_1(ChromeViewHostMsg_GetPluginInfo, IPC_SYNC_MESSAGE_CONTROL4_1 511 extensions/common/extension_messages.h IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToExtension, IPC_SYNC_MESSAGE_CONTROL4_1 526 extensions/common/extension_messages.h IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToTab,