Use C++11 features in core/html

Source/core/html/HTMLMediaElement.cpp

Index: Source/core/html/HTMLMediaElement.cpp
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp
index 3ffd916606a5ea6f02b9c26b6234b3f2abb35e44..74322e34fb6c88ce5c816c46a7494bbf62868138 100644
--- a/Source/core/html/HTMLMediaElement.cpp
+++ b/Source/core/html/HTMLMediaElement.cpp
@@ -3852,15 +3852,15 @@ void HTMLMediaElement::setMediaGroup(const AtomicString& group)
     // 4. If there is another media element whose Document is the same as m's Document (even if one or both
     // of these elements are not actually in the Document),
     WeakMediaElementSet elements = documentToElementSetMap().get(&document());
-    for (WeakMediaElementSet::iterator i = elements.begin(); i != elements.end(); ++i) {
-        if (*i == this)
+    for (const auto& i : elements) {

[sof, 2014/10/21 09:58:43]

Let's go with a longer name -- element?

[riju_, 2014/11/04 17:50:52]

Done.

+        if (i == this)
             continue;
 
         // and which also has a mediagroup attribute, and whose mediagroup attribute has the same value as
         // the new value of m's mediagroup attribute,
-        if ((*i)->mediaGroup() == group) {
+        if (i->mediaGroup() == group) {
             //  then let controller be that media element's current media controller.
-            setControllerInternal((*i)->controller());
+            setControllerInternal(i->controller());
             return;
         }
     }