Removal of Profile from content part 1.

chrome/browser/tab_contents/thumbnail_generator.cc

Index: chrome/browser/tab_contents/thumbnail_generator.cc
diff --git a/chrome/browser/tab_contents/thumbnail_generator.cc b/chrome/browser/tab_contents/thumbnail_generator.cc
index 8e268779a2493d13c874e1d72fbaff644d9e5434..a11a775c3a803f8a202bcab7e31aa52bfaa2c653 100644
--- a/chrome/browser/tab_contents/thumbnail_generator.cc
+++ b/chrome/browser/tab_contents/thumbnail_generator.cc
@@ -440,9 +440,10 @@ SkBitmap ThumbnailGenerator::GetClippedBitmap(const SkBitmap& bitmap,
 void ThumbnailGenerator::UpdateThumbnailIfNecessary(
     TabContents* tab_contents) {
   const GURL& url = tab_contents->GetURL();
-  history::TopSites* top_sites = tab_contents->profile()->GetTopSites();
+  Profile* profile = static_cast<Profile*>(tab_contents->browser_context());
+  history::TopSites* top_sites = profile->GetTopSites();
   // Skip if we don't need to update the thumbnail.
-  if (!ShouldUpdateThumbnail(tab_contents->profile(), top_sites, url))
+  if (!ShouldUpdateThumbnail(profile, top_sites, url))
     return;
 
   const int options = ThumbnailGenerator::kClippedThumbnail;