Instant: Use only one hidden WebContents per profile.

chrome/browser/ui/cocoa/browser_window_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 19 matching lines @@
 class BrowserWindow;
 class BrowserWindowCocoa;
 @class ChromeToMobileBubbleController;
 @class DevToolsController;
 @class DownloadShelfController;
 class ExtensionKeybindingRegistryCocoa;
 @class FindBarCocoaController;
 @class FullscreenWindow;
 @class InfoBarContainerController;
 class LocationBarViewMac;
+@class OverlayableContentsController;
 @class PresentationModeController;
-@class PreviewableContentsController;
 class StatusBubbleMac;
 @class TabStripController;
 @class TabStripView;
 @class ToolbarController;
 
 namespace content {
 class WebContents;
 }
 
 @interface BrowserWindowController :
@@ skipping 10 matching lines @@
   scoped_ptr<Browser> browser_;
   NSWindow* savedRegularWindow_;
   scoped_ptr<BrowserWindowCocoa> windowShim_;
   scoped_nsobject<ToolbarController> toolbarController_;
   scoped_nsobject<TabStripController> tabStripController_;
   scoped_nsobject<FindBarCocoaController> findBarCocoaController_;
   scoped_nsobject<InfoBarContainerController> infoBarContainerController_;
   scoped_nsobject<DownloadShelfController> downloadShelfController_;
   scoped_nsobject<BookmarkBarController> bookmarkBarController_;
   scoped_nsobject<DevToolsController> devToolsController_;
-  scoped_nsobject<PreviewableContentsController> previewableContentsController_;
+  scoped_nsobject<OverlayableContentsController> overlayableContentsController_;
   scoped_nsobject<PresentationModeController> presentationModeController_;
   scoped_nsobject<FullscreenExitBubbleController>
       fullscreenExitBubbleController_;
 
   // Strong. StatusBubble is a special case of a strong reference that
   // we don't wrap in a scoped_ptr because it is acting the same
   // as an NSWindowController in that it wraps a window that must
   // be shut down before our destructors are called.
   StatusBubbleMac* statusBubble_;
 
@@ skipping 126 matching lines @@
 
 // Access the C++ bridge object representing the status bubble for the window.
 - (StatusBubbleMac*)statusBubble;
 
 // Access the C++ bridge object representing the location bar.
 - (LocationBarViewMac*)locationBarBridge;
 
 // Returns a weak pointer to the floating bar backing view;
 - (NSView*)floatingBarBackingView;
 
-// Returns a weak pointer to the previewable contents controller.
-- (PreviewableContentsController*)previewableContentsController;
+// Returns a weak pointer to the overlayable contents controller.
+- (OverlayableContentsController*)overlayableContentsController;
 
 // Access the Profile object that backs this Browser.
 - (Profile*)profile;
 
 // Access the avatar button controller.
 - (AvatarButtonController*)avatarButtonController;
 
 // Updates the toolbar (and transitively the location bar) with the states of
 // the specified |tab|.  If |shouldRestore| is true, we're switching
 // (back?) to this tab and should restore any previous location bar state
@@ skipping 90 matching lines @@
 // Gets the window style.
 - (ThemedWindowStyle)themedWindowStyle;
 
 // Gets the pattern phase for the window.
 - (NSPoint)themePatternPhase;
 
 // Return the point to which a bubble window's arrow should point, in window
 // coordinates.
 - (NSPoint)bookmarkBubblePoint;
 
-// Shows or hides the Instant preview contents.
+// Shows or hides the Instant overlay contents.
 - (void)commitInstant;
 
 // Returns the frame, in Cocoa (unflipped) screen coordinates, of the area where
 // Instant results are.  If Instant is not showing, returns the frame of where
 // it would be.
 - (NSRect)instantFrame;
 
 // Called when the Add Search Engine dialog is closed.
 - (void)sheetDidEnd:(NSWindow*)sheet
          returnCode:(NSInteger)code
             context:(void*)context;
 
-- (void)updateBookmarkBarStateForInstantPreview;
+- (void)updateBookmarkBarStateForInstantOverlay;
 
 @end  // @interface BrowserWindowController
 
 
 // Methods having to do with the window type (normal/popup/app, and whether the
 // window has various features; fullscreen and presentation mode methods are
 // separate).
 @interface BrowserWindowController(WindowType)
 
 // Determines whether this controller's window supports a given feature (i.e.,
@@ skipping 128 matching lines @@
 // |source| rect doesn't fit into |target|.
 - (NSSize)overflowFrom:(NSRect)source
                     to:(NSRect)target;
 
 // The fullscreen exit bubble controller, or nil if the bubble isn't showing.
 - (FullscreenExitBubbleController*)fullscreenExitBubbleController;
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_