Add a "Learn More" link to the Spelling bubble.

This change adds a "Learn More" link to the Spelling bubble so we can open the "Exploring Chrome's privacy features" page as our "Under the Hood" page does.

BUG=103840
TEST=right click on a misspelled word.

Review URL: http://codereview.chromium.org/8561024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110906 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -493,6 +493,9 @@ are declared in build/common.gypi.
         <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_TEXT" desc="The text of a bubble that confirms users allows integrating the spelling service of Google to Chrome.">
           Google Chrome can provide smarter spell-checking by sending what you type in the browser to Google servers, allowing you to use the same spell-checking technology used by Google search.
         </message>
+        <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_LINK" desc="The link text of a bubble. This link opens the 'Exploring Chrome's privacy features' page.">
+          Learn More
+        </message>
         <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_ENABLE" desc="The button text that allows integrating the spelling service of Google.">
           Enable
         </message>
@@ -705,6 +708,9 @@ are declared in build/common.gypi.
         <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_TEXT" desc="The text of a bubble that confirms users allows integrating the spelling service of Google to Chrome.">
           Google Chrome can provide smarter spell-checking by sending what you type in the browser to Google servers, allowing you to use the same spell-checking technology used by Google search.
         </message>
+        <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_LINK" desc="The link text of a bubble. This link opens the 'Google Chrome Privacy Notice' page.">
+          Learn More
+        </message>
         <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_ENABLE" desc="The button text that allows integrating the spelling service of Google.">
           Enable
         </message>

chrome/browser/tab_contents/spelling_bubble_model.cc

@@ -5,9 +5,13 @@
 #include "chrome/browser/tab_contents/spelling_bubble_model.h"
 
 #include "base/logging.h"
+#include "chrome/browser/google/google_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
+#include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -48,3 +52,14 @@ void SpellingBubbleModel::Accept() {
 
 void SpellingBubbleModel::Cancel() {
 }
+
+string16 SpellingBubbleModel::GetLinkText() const {
+  return l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_LINK);
+}
+
+void SpellingBubbleModel::LinkClicked() {
+  Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
+  browser->OpenURL(
+      google_util::AppendGoogleLocaleParam(GURL(chrome::kPrivacyLearnMoreURL)),
+      GURL(), NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK);
+}

chrome/browser/tab_contents/spelling_bubble_model.h

@@ -26,6 +26,8 @@ class SpellingBubbleModel : public ConfirmBubbleModel {
   virtual string16 GetButtonLabel(BubbleButton button) const OVERRIDE;
   virtual void Accept() OVERRIDE;
   virtual void Cancel() OVERRIDE;
+  virtual string16 GetLinkText() const OVERRIDE;
+  virtual void LinkClicked() OVERRIDE;
 
  private:
   Profile* profile_;