Re-land 107645 with static initializers removed.

chrome/browser/automation/automation_tab_helper.h

Index: chrome/browser/automation/automation_tab_helper.h
diff --git a/chrome/browser/automation/automation_tab_helper.h b/chrome/browser/automation/automation_tab_helper.h
index d3016d854efcddad1fde91bf74e8df8d238f3793..a8ddef7e09598814ba1c7b2ca3802dfd111fb0bc 100644
--- a/chrome/browser/automation/automation_tab_helper.h
+++ b/chrome/browser/automation/automation_tab_helper.h
@@ -48,6 +48,12 @@ class TabEventObserver {
   // This method will always be called if |OnFirstPendingLoad| was called.
   virtual void OnNoMorePendingLoads(TabContents* tab_contents) { }
 
+  // Called as a result of a tab being snapshotted.
+  virtual void OnSnapshotEntirePageACK(
+      bool success,
+      const std::vector<unsigned char>& png_data,
+      const std::string& error_msg) { }
+
  protected:
   TabEventObserver();
   virtual ~TabEventObserver();
@@ -84,6 +90,9 @@ class AutomationTabHelper
   void AddObserver(TabEventObserver* observer);
   void RemoveObserver(TabEventObserver* observer);
 
+  // Snapshots the entire page without resizing.
+  void SnapshotEntirePage();
+
   // Returns true if the tab is loading or the tab is scheduled to load
   // immediately. Note that scheduled loads may be canceled.
   bool has_pending_loads() const;
@@ -91,6 +100,11 @@ class AutomationTabHelper
  private:
   friend class AutomationTabHelperTest;
 
+  void OnSnapshotEntirePageACK(
+      bool success,
+      const std::vector<unsigned char>& png_data,
+      const std::string& error_msg);
+
   // TabContentsObserver implementation.
   virtual void DidStartLoading();
   virtual void DidStopLoading();