[Gtk, WebIntents] Support autosizing of inline content.

chrome/browser/ui/intents/web_intent_picker.h

Index: chrome/browser/ui/intents/web_intent_picker.h
diff --git a/chrome/browser/ui/intents/web_intent_picker.h b/chrome/browser/ui/intents/web_intent_picker.h
index 994bbfdb862d5c218722b41075d40f465c949aec..b69fa79172a068badd071118754baca67201bb25 100644
--- a/chrome/browser/ui/intents/web_intent_picker.h
+++ b/chrome/browser/ui/intents/web_intent_picker.h
@@ -43,6 +43,9 @@ class WebIntentPicker {
   // Called when an extension installation started via the picker has failed.
   virtual void OnExtensionInstallFailure(const std::string& id) {}
 
+  // Called when the inline disposition experiences an auto-resize.
+  virtual void OnInlineDispositionAutoResize(const gfx::Size& size) {}
+
   // Called when the controller has finished all pending asynchronous
   // activities.
   virtual void OnPendingAsyncCompleted() {}
@@ -55,6 +58,12 @@ class WebIntentPicker {
   static gfx::Size GetDefaultInlineDispositionSize(
       content::WebContents* web_contents);
 
+  // Get the minimum size of the inline disposition content container.
+  static gfx::Size GetMinInlineDispositionSize();
+
+  // Get the maximum size of the inline disposition content container.
+  static gfx::Size GetMaxInlineDispositionSize();
+
   // Get the star image IDs to use for the nth star (out of 5), given a
   // |rating| in the range [0, 5].
   static int GetNthStarImageIdFromCWSRating(double rating, int index);