DevTools: request page thumbnails from the devtools handler delegate, do not redirect to chrome://t…

chrome/browser/android/devtools_server.cc

Index: chrome/browser/android/devtools_server.cc
diff --git a/chrome/browser/android/devtools_server.cc b/chrome/browser/android/devtools_server.cc
index e1649a362691595618befa5aa06e1230952422fc..e240885bc9ca8aef5a45d084c510baec1fb39ce9 100644
--- a/chrome/browser/android/devtools_server.cc
+++ b/chrome/browser/android/devtools_server.cc
@@ -57,6 +57,19 @@ class DevToolsServerDelegate : public content::DevToolsHttpHandlerDelegate {
     return "";
   }
 
+  virtual std::string GetPageThumbnailData(const GURL& url) {
+    Profile* profile =
+        ProfileManager::GetLastUsedProfile()->GetOriginalProfile();
+    history::TopSites* top_sites = profile->GetTopSites();
+    if (top_sites) {
+      scoped_refptr<base::RefCountedMemory> data;
+      if (top_sites->GetPageThumbnail(url, &data))
+        return std::string(reinterpret_cast<const char*>(data->front()),
+                           data->size());
+    }
+    return "";
+  }
+
  private:
   static void PopulatePageThumbnails() {
     Profile* profile =