Move HungPluginTabHelper::PluginState declaration from .h to .cc file.

chrome/browser/ui/hung_plugin_tab_helper.cc

Index: chrome/browser/ui/hung_plugin_tab_helper.cc
===================================================================
--- chrome/browser/ui/hung_plugin_tab_helper.cc	(revision 194500)
+++ chrome/browser/ui/hung_plugin_tab_helper.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "chrome/browser/ui/hung_plugin_tab_helper.h"
 
 #include "base/bind.h"
+#include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/process_util.h"
@@ -207,6 +208,34 @@
 
 // -----------------------------------------------------------------------------
 
+// Per-plugin state (since there could be more than one plugin hung).  The
+// integer key is the child process ID of the plugin process.  This maintains
+// the state for all plugins on this page that are currently hung, whether or
+// not we're currently showing the infobar.
+struct HungPluginTabHelper::PluginState {
+  // Initializes the plugin state to be a hung plugin.
+  PluginState(const base::FilePath& p, const string16& n);
+  ~PluginState();
+
+  base::FilePath path;
+  string16 name;
+
+  // Possibly-null if we're not showing an infobar right now.
+  InfoBarDelegate* info_bar;
+
+  // Time to delay before re-showing the infobar for a hung plugin. This is
+  // increased each time the user cancels it.
+  base::TimeDelta next_reshow_delay;
+
+  // Handles calling the helper when the infobar should be re-shown.
+  base::Timer timer;
+
+  private:
+  // Since the scope of the timer manages our callback, this struct should
+  // not be copied.
+  DISALLOW_COPY_AND_ASSIGN(PluginState);
+};
+
 HungPluginTabHelper::PluginState::PluginState(const base::FilePath& p,
                                               const string16& n)
     : path(p),