Make web intents picker work as constrained dialog instead of InfoBubble

chrome/browser/ui/cocoa/web_intent_bubble_controller.h

Index: chrome/browser/ui/cocoa/web_intent_bubble_controller.h
diff --git a/chrome/browser/ui/cocoa/web_intent_bubble_controller.h b/chrome/browser/ui/cocoa/web_intent_bubble_controller.h
index e226fadc606d37c56287c8d50a534c981236d526..3e38c79f84fe22811aa0e13ab2e5f40038fbedbc 100644
--- a/chrome/browser/ui/cocoa/web_intent_bubble_controller.h
+++ b/chrome/browser/ui/cocoa/web_intent_bubble_controller.h
@@ -15,10 +15,10 @@
 class WebIntentPickerCocoa;
 class WebIntentPickerModel;
 
-// Controller for intent picker bubble. This bubble pops up whenever a web
-// page invokes ActivateIntent and lets the user choose which service should
-// be used to handle this action.
-@interface WebIntentBubbleController : BaseBubbleController {
+// Controller for intent picker constrained dialog. This bubble pops up whenever
+// a web page invokes ActivateIntent and lets the user choose which service
+// should be used to handle this action.
+@interface WebIntentBubbleController : NSWindowController {
  @private
   // C++ <-> ObjectiveC bridge. Weak reference.
   WebIntentPickerCocoa* picker_;
@@ -27,16 +27,21 @@ class WebIntentPickerModel;
   TabContentsWrapper* contents_;
 }
 
-// Initialize the window, and connect to bridge.
-- (id)initWithPicker:(WebIntentPickerCocoa*)picker
-        parentWindow:(NSWindow*)parent
-          anchoredAt:(NSPoint)point;
+// Initialize the constrained dialog, and connect to picker.
+- (id)initWithPicker:(WebIntentPickerCocoa*)picker;
 
 // Set the contents for inline disposition intents.
 - (void)setInlineDispositionTabContents:(TabContentsWrapper*)wrapper;
 
 - (void)performLayoutWithModel:(WebIntentPickerModel*)model;
 
+// Close the current sheet (and by extension, the constrained dialog).
+- (void)closeSheet;
+
+// Notification handler - called when sheet has been closed.
+- (void)sheetDidEnd:(NSWindow*)sheet
+         returnCode:(int)returnCode
+        contextInfo:(void*)contextInfo;
 @end  // WebIntentBubbleController
 
 #endif  // CHROME_BROWSER_UI_COCOA_WEB_INTENT_BUBBLE_CONTROLLER_H_