Adds views::corewm::WMState to install common state

ash/shell/content_client/shell_browser_main_parts.h

Index: ash/shell/content_client/shell_browser_main_parts.h
diff --git a/ash/shell/content_client/shell_browser_main_parts.h b/ash/shell/content_client/shell_browser_main_parts.h
index 768ee5e6c3c9503161f77d9fbde7168dd31d3886..229c8681cef62b1cb2ca29ccf8fdeb69f99bea08 100644
--- a/ash/shell/content_client/shell_browser_main_parts.h
+++ b/ash/shell/content_client/shell_browser_main_parts.h
@@ -22,6 +22,12 @@ namespace net {
 class NetLog;
 }
 
+namespace views {
+namespace corewm {
+class WMState;
+}
+}
+
 namespace ash {
 namespace shell {
 
@@ -37,6 +43,7 @@ class ShellBrowserMainParts : public content::BrowserMainParts {
   // Overridden from content::BrowserMainParts:
   virtual void PreMainMessageLoopStart() OVERRIDE;
   virtual void PostMainMessageLoopStart() OVERRIDE;
+  virtual void ToolkitInitialized() OVERRIDE;
   virtual void PreMainMessageLoopRun() OVERRIDE;
   virtual bool MainMessageLoopRun(int* result_code) OVERRIDE;
   virtual void PostMainMessageLoopRun() OVERRIDE;
@@ -50,6 +57,7 @@ class ShellBrowserMainParts : public content::BrowserMainParts {
   scoped_ptr<content::ShellBrowserContext> browser_context_;
   scoped_ptr<ash::shell::WindowWatcher> window_watcher_;
   ShellDelegateImpl* delegate_;  // owned by Shell
+  scoped_ptr<views::corewm::WMState> wm_state_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
 };