Move extension_messages.h to extensions/common.

chrome/browser/extensions/tab_helper.cc

Index: chrome/browser/extensions/tab_helper.cc
diff --git a/chrome/browser/extensions/tab_helper.cc b/chrome/browser/extensions/tab_helper.cc
index 75455a76820905a6bb87e4857ff65ac13f948876..5bc94afe0520ab2c193b417855d8b0ce3a3df568 100644
--- a/chrome/browser/extensions/tab_helper.cc
+++ b/chrome/browser/extensions/tab_helper.cc
@@ -36,9 +36,9 @@
 #include "chrome/browser/ui/web_applications/web_app_ui.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/extensions/chrome_extension_messages.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
-#include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
 #include "chrome/common/render_messages.h"
@@ -60,6 +60,7 @@
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
+#include "extensions/common/extension_messages.h"
 #include "extensions/common/extension_resource.h"
 #include "extensions/common/extension_urls.h"
 #include "extensions/common/feature_switch.h"
@@ -386,7 +387,7 @@ void TabHelper::DidNavigateMainFrame(
 bool TabHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TabHelper, message)
-    IPC_MESSAGE_HANDLER(ExtensionHostMsg_DidGetApplicationInfo,
+    IPC_MESSAGE_HANDLER(ChromeExtensionHostMsg_DidGetApplicationInfo,
                         OnDidGetApplicationInfo)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_InlineWebstoreInstall,
                         OnInlineWebstoreInstall)
@@ -719,7 +720,7 @@ WebContents* TabHelper::GetAssociatedWebContents() const {
 }
 
 void TabHelper::GetApplicationInfo(int32 page_id) {
-  Send(new ExtensionMsg_GetApplicationInfo(routing_id(), page_id));
+  Send(new ChromeExtensionMsg_GetApplicationInfo(routing_id(), page_id));
 }
 
 void TabHelper::Observe(int type,