Move remaining files in content\browser\renderer_host to content namespace.

content/browser/renderer_host/java/java_method.h

Index: content/browser/renderer_host/java/java_method.h
===================================================================
--- content/browser/renderer_host/java/java_method.h	(revision 164665)
+++ content/browser/renderer_host/java/java_method.h	(working copy)
@@ -12,6 +12,8 @@
 #include "base/android/scoped_java_ref.h"
 #include "content/browser/renderer_host/java/java_type.h"
 
+namespace content {
+
 // Wrapper around java.lang.reflect.Method. This class must be used on a single
 // thread only.
 class JavaMethod {
@@ -40,4 +42,6 @@
   DISALLOW_IMPLICIT_CONSTRUCTORS(JavaMethod);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_