Get additional crash data to narrow down renderer kills.

BUG=102408
TEST=More data in OnTempCrashWithData dumps.


Review URL: http://codereview.chromium.org/8776017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@112625 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/tab_contents/navigation_controller.cc

@@ -675,8 +675,8 @@ content::NavigationType NavigationController::ClassifyNavigation(
     UserMetrics::RecordAction(UserMetricsAction("BadMessageTerminate_NC"));
 
     // Temporary code so we can get more information.  Format:
-    //  http://url/foo.html#page1#max3#frame1#ids:2,x,3
-    std::string temp = params.url.spec();;
+    //  http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
+    std::string temp = params.url.spec();
     temp.append("#page");
     temp.append(base::IntToString(params.page_id));
     temp.append("#max");
@@ -685,10 +685,17 @@ content::NavigationType NavigationController::ClassifyNavigation(
     temp.append(base::IntToString(params.frame_id));
     temp.append("#ids");
     for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
-      // Append all same-process page_ids (with placeholders for out of process)
-      if (entries_[i]->site_instance() == tab_contents_->GetSiteInstance())
-        temp.append(base::IntToString(entries_[i]->page_id()));
+      // Append entry metadata (e.g., 3_7x):
+      //  3: page_id
+      //  7: SiteInstance ID, or N for null
+      //  x: appended if not from the current SiteInstance
+      temp.append(base::IntToString(entries_[i]->page_id()));
+      temp.append("_");
+      if (entries_[i]->site_instance())
+        temp.append(base::IntToString(entries_[i]->site_instance()->id()));
       else
+        temp.append("N");
+      if (entries_[i]->site_instance() != tab_contents_->GetSiteInstance())
         temp.append("x");
       temp.append(",");
     }

content/renderer/render_thread_impl.cc

@@ -17,6 +17,7 @@
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_table.h"
 #include "base/shared_memory.h"
+#include "base/string_number_conversions.h"  // Temporary
 #include "base/task.h"
 #include "base/threading/thread_local.h"
 #include "base/values.h"
@@ -839,7 +840,12 @@ void RenderThreadImpl::OnNetworkStateChanged(bool online) {
 }
 
 void RenderThreadImpl::OnTempCrashWithData(const GURL& data) {
-  content::GetContentClient()->SetActiveURL(data);
+  // Append next_page_id_ to the data from the browser.
+  std::string temp = data.spec();
+  temp.append("#next");
+  temp.append(base::IntToString(RenderViewImpl::next_page_id()));
+
+  content::GetContentClient()->SetActiveURL(GURL(temp));
   CHECK(false);
 }
 

content/renderer/render_view_impl.h

@@ -178,6 +178,12 @@ class RenderViewImpl : public RenderWidget,
   // Sets the "next page id" counter.
   static void SetNextPageID(int32 next_page_id);
 
+  // TODO(creis): Remove when we no longer need
+  // RenderThreadImpl::OnTempCrashWithData.
+  static int32 next_page_id() {
+    return next_page_id_;
+  }
+
   // May return NULL when the view is closing.
   CONTENT_EXPORT WebKit::WebView* webview() const;