Adds speculative prefetching of resources.

chrome/browser/prerender/prerender_field_trial.cc

Index: chrome/browser/prerender/prerender_field_trial.cc
diff --git a/chrome/browser/prerender/prerender_field_trial.cc b/chrome/browser/prerender/prerender_field_trial.cc
index 60ce6a39ea56387a150ff6f0ce78f38c2d13055e..f08bd72be0ba8b8b6d8d98768a9dd699a288b933 100644
--- a/chrome/browser/prerender/prerender_field_trial.cc
+++ b/chrome/browser/prerender/prerender_field_trial.cc
@@ -294,4 +294,22 @@ bool IsSpeculativeResourcePrefetchingLearningEnabled(Profile* profile) {
   return group == g_speculative_prefetching_learning_default_group_number;
 }
 
+bool IsSpeculativeResourcePrefetchingEnabled(Profile* profile) {
+  if (!profile)
+    return false;
+
+  // Check if the user has set a command line flag.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSpeculativeResourcePrefetching)) {
+    const std::string switch_value =
+        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+            switches::kSpeculativeResourcePrefetching);
+
+    if (switch_value == switches::kSpeculativeResourcePrefetchingEnabled)

[dominich, 2012/08/02 15:00:50]

this could be 

return switch_value == switches::kSpeculativeResourcePrefetchingEnabled;

[Shishir, 2012/08/02 22:06:54]

Done.

+      return true;
+  }
+
+  return false;
+}
+
 }  // namespace prerender