[Speculative crash fix] Call the clipboard API directly and std::move the result

See https://crbug.com/973928#c21 for details for the reason for speculation.

R=dvadym

Bug: 973928, 948767
Change-Id: I760fcb8ed2bcbd75975a0638b70f4a035e4293a6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731698
Commit-Queue: Vadym Doroshenko <dvadym@chromium.org>
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Auto-Submit: Varun Khaneja <vakh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683567}

chrome/browser/password_manager/chrome_password_manager_client.cc

@@ -731,7 +731,14 @@ void ChromePasswordManagerClient::DidStartNavigation(
 
 #if defined(SYNC_PASSWORD_REUSE_DETECTION_ENABLED)
 void ChromePasswordManagerClient::OnPaste() {
-  password_reuse_detection_manager_.OnPaste(GetTextFromClipboard());
+  // TODO(vakh): This method should just call |GetTextFromClipboard()| directly
+  // but it seems to be causing crbug.com/973928 so for now, call the clipboard
+  // API directly to see if that fixes the issue.
+  // See https://crbug.com/973928#c21 for details.
+  base::string16 text;
+  ui::Clipboard::GetForCurrentThread()->ReadText(ui::ClipboardType::kCopyPaste,
+                                                 &text);
+  password_reuse_detection_manager_.OnPaste(std::move(text));
 }
 
 base::string16 ChromePasswordManagerClient::GetTextFromClipboard() {