Chrome Cleaner: Remove indirect base::FilePath mojo dependency.

components/chrome_cleaner/public/interfaces/chrome_prompt.mojom

Index: components/chrome_cleaner/public/interfaces/chrome_prompt.mojom
diff --git a/components/chrome_cleaner/public/interfaces/chrome_prompt.mojom b/components/chrome_cleaner/public/interfaces/chrome_prompt.mojom
index 07013fe06431897c6d0486f5d135eb8c1df37b3d..d7468aa084d82fc985f1d2df8b852d4beb8306a1 100644
--- a/components/chrome_cleaner/public/interfaces/chrome_prompt.mojom
+++ b/components/chrome_cleaner/public/interfaces/chrome_prompt.mojom
@@ -4,8 +4,6 @@
 
 module chrome_cleaner.mojom;
 
-import "mojo/common/file_path.mojom";
-
 [Extensible]
 enum PromptAcceptance {
   UNSPECIFIED = 0,
@@ -21,6 +19,12 @@ enum PromptAcceptance {
   IGNORED = 4,
 };
 
+struct FilePath {
+  // This isn't a string since Mojo strings must be valid utf8, and the paths
+  // aren't guaranteed to be valid utf8.

[Fabio Tirelo, 2017/06/12 14:04:50]

Mojo's string16 are also mapped to base. I think we should describe here as well
that we are only using primitive types to avoid version sheering of base.

[proberge, 2017/06/12 17:49:30]

Done.

+  array<uint16> value;
+};
+
 // Service provided by Chrome to prompt the user to start a cleanup if the
 // Chrome Cleanup Tool detects unwanted software on the system.
 interface ChromePrompt {
@@ -29,6 +33,6 @@ interface ChromePrompt {
   //                         will be deleted by the Chrome Cleanup Tool.
   // Returns:
   //  - prompt_acceptance: indicates if the user accepted the prompt.
-  PromptUser(array<mojo.common.mojom.FilePath> files_to_delete)
+  PromptUser(array<FilePath> files_to_delete)
       => (PromptAcceptance prompt_acceptance);
 };