Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/prefs/command_line_pref_store.cc

Index: chrome/browser/prefs/command_line_pref_store.cc
diff --git a/chrome/browser/prefs/command_line_pref_store.cc b/chrome/browser/prefs/command_line_pref_store.cc
index 8c1e9dd9b1fd36da8b46e03dfd88ed9b7fb4aaa4..ea4238bd4ad07f6122976d4fd5bc7804a037614d 100644
--- a/chrome/browser/prefs/command_line_pref_store.cc
+++ b/chrome/browser/prefs/command_line_pref_store.cc
@@ -111,7 +111,7 @@ void CommandLinePrefStore::ApplySimpleSwitches() {
   // Look for each switch we know about and set its preference accordingly.
   for (size_t i = 0; i < arraysize(string_switch_map_); ++i) {
     if (command_line_->HasSwitch(string_switch_map_[i].switch_name)) {
-      Value* value = Value::CreateStringValue(command_line_->
+      base::Value* value = base::Value::CreateStringValue(command_line_->
           GetSwitchValueASCII(string_switch_map_[i].switch_name));
       SetValue(string_switch_map_[i].preference_path, value);
     }
@@ -128,14 +128,14 @@ void CommandLinePrefStore::ApplySimpleSwitches() {
                    << " can not be converted to integer, ignoring!";
         continue;
       }
-      Value* value = Value::CreateIntegerValue(int_value);
+      base::Value* value = base::Value::CreateIntegerValue(int_value);
       SetValue(integer_switch_map_[i].preference_path, value);
     }
   }
 
   for (size_t i = 0; i < arraysize(boolean_switch_map_); ++i) {
     if (command_line_->HasSwitch(boolean_switch_map_[i].switch_name)) {
-      Value* value = Value::CreateBooleanValue(
+      base::Value* value = base::Value::CreateBooleanValue(
           boolean_switch_map_[i].set_value);
       SetValue(boolean_switch_map_[i].preference_path, value);
     }
@@ -183,7 +183,7 @@ void CommandLinePrefStore::ApplySSLSwitches() {
 void CommandLinePrefStore::ApplyBackgroundModeSwitches() {
   if (command_line_->HasSwitch(switches::kDisableBackgroundMode) ||
       command_line_->HasSwitch(switches::kDisableExtensions)) {
-    Value* value = Value::CreateBooleanValue(false);
+    base::Value* value = base::Value::CreateBooleanValue(false);
     SetValue(prefs::kBackgroundModeEnabled, value);
   }
 }