<webview>: Escape key unlocks pointer by default

With this CL, the ESC key will now, by default unlock the pointer if it
was locked by a webview. The Chrome App can override this behavior by
handling the keydown event in the embedder and preventing default.

BUG=233793

Review URL: https://chromiumcodereview.appspot.com/16955007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206936 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 0 deletions

diff --git a/content/browser/browser_plugin/browser_plugin_embedder.h b/content/browser/browser_plugin/browser_plugin_embedder.h
index ccc4544..7e87115 100644
--- a/content/browser/browser_plugin/browser_plugin_embedder.h
+++ b/content/browser/browser_plugin/browser_plugin_embedder.h
@@ -35,6 +35,7 @@ class BrowserPluginGuestManager;
 class BrowserPluginHostFactory;
 class RenderWidgetHostImpl;
 class WebContentsImpl;
+struct NativeWebKeyboardEvent;
 
 class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
  public:
@@ -53,6 +54,12 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
   // Called when embedder's |rwh| has sent screen rects to renderer.
   void DidSendScreenRects();
 
+  // Called when embedder's WebContentsImpl has unhandled keyboard input.
+  // Returns whether the BrowserPlugin has handled the keyboard event.
+  // Currently we are only interested in checking for the escape key to
+  // unlock hte guest's pointer lock.
+  bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
+
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
   static void set_factory_for_testing(BrowserPluginHostFactory* factory) {