DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/content_settings/content_setting_image_model.cc

Index: chrome/browser/ui/content_settings/content_setting_image_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_image_model.cc b/chrome/browser/ui/content_settings/content_setting_image_model.cc
index 1bef3be8a1f4d1faa43c6f0c1379345e4de734e6..02a3128fedf3fa3a4d973c1aeed71998262a553e 100644
--- a/chrome/browser/ui/content_settings/content_setting_image_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_image_model.cc
@@ -75,7 +75,10 @@ class ContentSettingMediaImageModel : public ContentSettingImageModel {
   bool ShouldRunAnimation(WebContents* web_contents) override;
   void SetAnimationHasRun(WebContents* web_contents) override;
 
+  ContentSettingsType GetContentType() override;
  private:
+  // This is cached here for testing purposes.
+  ContentSettingsType last_content_type_;
   DISALLOW_COPY_AND_ASSIGN(ContentSettingMediaImageModel);
 };
 
@@ -92,7 +95,6 @@ class ContentSettingMIDISysExImageModel
   ContentSettingMIDISysExImageModel();
 
   void UpdateFromWebContents(WebContents* web_contents) override;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentSettingMIDISysExImageModel);
 };
@@ -153,7 +155,7 @@ ContentSettingBubbleModel* ContentSettingSimpleImageModel::CreateBubbleModel(
       delegate,
       web_contents,
       profile,
-      content_type());
+      content_type_);
 }
 
 bool ContentSettingSimpleImageModel::ShouldRunAnimation(
@@ -166,7 +168,7 @@ bool ContentSettingSimpleImageModel::ShouldRunAnimation(
   if (!content_settings)
     return false;
 
-  return !content_settings->IsBlockageIndicated(content_type());
+  return !content_settings->IsBlockageIndicated(content_type_);
 }
 
 void ContentSettingSimpleImageModel::SetAnimationHasRun(
@@ -176,7 +178,11 @@ void ContentSettingSimpleImageModel::SetAnimationHasRun(
   TabSpecificContentSettings* content_settings =
       TabSpecificContentSettings::FromWebContents(web_contents);
   if (content_settings)
-    content_settings->SetBlockageHasBeenIndicated(content_type());
+    content_settings->SetBlockageHasBeenIndicated(content_type_);
+}
+
+ContentSettingsType ContentSettingSimpleImageModel::GetContentType() {
+  return content_type_;
 }
 
 // static
@@ -209,7 +215,7 @@ void ContentSettingBlockedImageModel::UpdateFromWebContents(
   if (!web_contents)
     return;
 
-  const ContentSettingsType type = content_type();
+  const ContentSettingsType type = GetContentType();
   const ContentSettingsImageDetails* image_details = GetImageDetails(type);
   DCHECK(image_details) << "No entry for " << type << " in kImageDetails[].";
 
@@ -311,7 +317,7 @@ ContentSettingMediaImageModel::ContentSettingMediaImageModel()
 void ContentSettingMediaImageModel::UpdateFromWebContents(
     WebContents* web_contents) {
   set_visible(false);
-
+  last_content_type_ = CONTENT_SETTINGS_TYPE_DEFAULT;
   if (!web_contents)
     return;
 
@@ -345,6 +351,9 @@ void ContentSettingMediaImageModel::UpdateFromWebContents(
     if (is_mic)
       id = is_cam ? IDS_MICROPHONE_CAMERA_ALLOWED : IDS_MICROPHONE_ACCESSED;
   }
+  // During bubble dialog testing, only one of the 'devices' will be blocked
+  last_content_type_ = is_mic ? CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC :
+      CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA;
   set_tooltip(l10n_util::GetStringUTF16(id));
   set_visible(true);
 }
@@ -386,6 +395,10 @@ void ContentSettingMediaImageModel::SetAnimationHasRun(
   }
 }
 
+ContentSettingsType ContentSettingMediaImageModel::GetContentType() {
+    return last_content_type_;
+}
+
 // Subresource Filter ----------------------------------------------------------
 
 ContentSettingSubresourceFilterImageModel::
@@ -521,6 +534,10 @@ ContentSettingImageModel::ContentSettingImageModel()
       icon_badge_id_(gfx::VectorIconId::VECTOR_ICON_NONE),
       explanatory_string_id_(0) {}
 
+ContentSettingsType ContentSettingImageModel::GetContentType() {
+  return CONTENT_SETTINGS_TYPE_DEFAULT;
+}
+
 // static
 std::vector<std::unique_ptr<ContentSettingImageModel>>
 ContentSettingImageModel::GenerateContentSettingImageModels() {