[Android WebView] Provide more information about WebView for web debugging

android_webview/browser/browser_view_renderer.h

Index: android_webview/browser/browser_view_renderer.h
diff --git a/android_webview/browser/browser_view_renderer.h b/android_webview/browser/browser_view_renderer.h
index 02f47bcc714770b995ad702f0203e0c35763251f..6c246bf60cfaea4ba23d2b7dc9cd761c702481e6 100644
--- a/android_webview/browser/browser_view_renderer.h
+++ b/android_webview/browser/browser_view_renderer.h
@@ -6,11 +6,14 @@
 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 
 #include "base/android/scoped_java_ref.h"
+#include "ui/gfx/point.h"
+#include "ui/gfx/rect.h"
 
 struct AwDrawGLInfo;
 
 namespace content {
 class ContentViewCore;
+class WebContents;
 }
 
 namespace gfx {
@@ -33,6 +36,9 @@ class BrowserViewRenderer {
      virtual void OnNewPicture(
          const base::android::JavaRef<jobject>& picture) = 0;
 
+     // Called to get view's absolute location on the screen.
+     virtual gfx::Point GetLocationOnScreen() = 0;
+
    protected:
      virtual ~Client() {}
   };
@@ -87,6 +93,11 @@ class BrowserViewRenderer {
   virtual void OnAttachedToWindow(int width, int height) = 0;
   virtual void OnDetachedFromWindow() = 0;
 
+  // Android views hierarchy gluing.
+  virtual bool IsAttachedToWindow() = 0;
+  virtual bool IsViewVisible() = 0;
+  virtual gfx::Rect GetScreenRect() = 0;
+
   virtual ~BrowserViewRenderer() {}
 };