[Ozone-DRI] Do proper bounds checks when moving the cursor

ui/ozone/platform/dri/gpu_platform_support_gbm.h

Index: ui/ozone/platform/dri/gpu_platform_support_gbm.h
diff --git a/ui/ozone/platform/dri/gpu_platform_support_gbm.h b/ui/ozone/platform/dri/gpu_platform_support_gbm.h
index 1d59b243c7951fe1f8b5efecff375fdc629c10c6..2c598f6846f7bdc07162d70fecf03bf0790db22a 100644
--- a/ui/ozone/platform/dri/gpu_platform_support_gbm.h
+++ b/ui/ozone/platform/dri/gpu_platform_support_gbm.h
@@ -22,13 +22,13 @@ namespace ui {
 
 class DriSurfaceFactory;
 class DriWindowDelegate;
-class DriWindowManager;
+class DriWindowDelegateManager;
 class ScreenManager;
 
 class GpuPlatformSupportGbm : public GpuPlatformSupport {
  public:
   GpuPlatformSupportGbm(DriSurfaceFactory* dri,
-                        DriWindowManager* window_manager,
+                        DriWindowDelegateManager* window_manager,
                         ScreenManager* screen_manager);
   virtual ~GpuPlatformSupportGbm();
 
@@ -53,7 +53,7 @@ class GpuPlatformSupportGbm : public GpuPlatformSupport {
 
   IPC::Sender* sender_;
   DriSurfaceFactory* dri_;
-  DriWindowManager* window_manager_;
+  DriWindowDelegateManager* window_manager_;
   ScreenManager* screen_manager_;
   ScopedVector<GpuPlatformSupport> handlers_;
 };