Revert 251563 "Move browser initiated navigation from RenderView..."

Speculatively revert to help diagnose bug 345757.
Mainly useful to make it easier to revert r249676, which changes the
lifetime of RenderViewHosts.

> Move browser initiated navigation from RenderViewHost to RenderFrameHost.
> 
> BUG=304341
> TBR=jochen@chromium.org
> 
> Review URL: https://codereview.chromium.org/148083013

TBR=nasko@chromium.org

Review URL: https://codereview.chromium.org/177713006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253010 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/content/common/view_message_enums.h b/content/common/view_message_enums.h
index 4bbd217..c8b3ed0 100644
--- a/content/common/view_message_enums.h
+++ b/content/common/view_message_enums.h
@@ -26,6 +26,33 @@ struct ViewHostMsg_UpdateRect_Flags {
   }
 };
 
+struct ViewMsg_Navigate_Type {
+ public:
+  enum Value {
+    // Reload the page.
+    RELOAD,
+
+    // Reload the page, ignoring any cache entries.
+    RELOAD_IGNORING_CACHE,
+
+    // Reload the page using the original request URL.
+    RELOAD_ORIGINAL_REQUEST_URL,
+
+    // The navigation is the result of session restore and should honor the
+    // page's cache policy while restoring form state. This is set to true if
+    // restoring a tab/session from the previous session and the previous
+    // session did not crash. If this is not set and the page was restored then
+    // the page's cache policy is ignored and we load from the cache.
+    RESTORE,
+
+    // Like RESTORE, except that the navigation contains POST data.
+    RESTORE_WITH_POST,
+
+    // Navigation type not categorized by the other types.
+    NORMAL
+  };
+};
+
 // Note: keep enums in content/browser/resources/accessibility/accessibility.js
 // in sync with these two enums.
 enum AccessibilityModeFlag {