[src/content] Apply automatic range checks to enum types across IPC .

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index ed50c60e39436da38c4fd15923d6ccc29fef5ea9..ffcc83afefb4d648478d04b65603fcd4aca5f10d 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -79,8 +79,10 @@ IPC_ENUM_TRAITS(WindowContainerType)
 IPC_ENUM_TRAITS(content::FaviconURL::IconType)
 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
 IPC_ENUM_TRAITS(content::MenuItem::Type)
-IPC_ENUM_TRAITS(content::NavigationGesture)
-IPC_ENUM_TRAITS(content::PageZoom)
+IPC_ENUM_TRAITS_MAX_VALUE(content::NavigationGesture,
+                          content::NAVIGATIONGESTURE_LAST)
+IPC_ENUM_TRAITS_MAX_VALUE(content::PageZoom,

[Avi (use Gerrit), 2014/09/25 15:39:34]

Please don't do this blindly! PageZoom has a min value of -1, so this line is
wrong.

Do:

IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::PageZoom, PAGE_ZOOM_OUT, PAGE_ZOOM_IN);

Do we need a new max value for this?

[ARUNKK, 2014/09/26 06:08:07]

Done.

+                          content::PAGE_ZOOM_LAST)
 IPC_ENUM_TRAITS(gfx::FontRenderParams::Hinting)
 IPC_ENUM_TRAITS(gfx::FontRenderParams::SubpixelRendering)
 IPC_ENUM_TRAITS_MAX_VALUE(content::TapMultipleTargetsStrategy,